Monday, May 20, 2019

How does the St. Louis Cardinals rotation compare?

Over the years I have found that perspective helps to assess the performance of the St. Louis Cardinals. Some stats have perspective built in, such as the plus and minus stats that measure a player against the league as a whole with 100 being average. Others don’t have perspective built in and require us to provide our own perspective.

As you know, the St. Louis rotation has been bad this year. For the most part, the bad pitching has been below expectations. Even the pitchers that we had every right to expect to be bad have pitched worse than we thought they would.

But just how bad have the Cardinals in the rotation pitched?

I sent out a tweet with the ERA for each Cardinals starter. A follower replied by asking what the league average was. I looked up the MLB average ERA for starters and sent it in reply. I regretted doing that because my preference has always been to compare National League pitchers to National League pitchers because the DH makes things different enough that it creates a flaw when comparing American Leaguers to National Leaguers.

I put together the below table to help illustrate how each individual Cardinal compares to the National League starting pitcher average (NL SP in blue) as well as the St. Louis starting pitcher average (STL SP in red).

Starting Pitcher Stats:  Through May 19, 2019

K%
BB%
HR/FB
ERA
FIP
xFIP
25.8
Flaherty
4.3
Mikolas
14.5
NL SP
4.13
NL SP
4.17
NL SP
3.88
Flaherty
22.7
NL SP
8.1
NL SP
17.5
Wainwright
4.19
Flaherty
4.29
Flaherty
4.16
NL SP
20.3
Wacha
8.9
Flaherty
17.6
Flaherty
4.40
Hudson
4.76
Wainwright
4.34
Mikolas
19.9
STL SP
9.1
STL SP
18.5
Mikolas
4.58
STL SP
4.87
Mikolas
4.35
STL SP
19.2
Wainwright
9.4
Wainwright
19.0
Wacha
4.75
Wainwright
4.95
STL SP
4.42
Hudson
16.3
Hudson
10.1
Hudson
19.5
STL SP
4.88
Mikolas
Hudson
5.52
4.42
Wainwright
16.0
Mikolas
13.5
Wacha
25.7
Hudson
4.93
Wacha
5.57
Wacha
4.96
Wacha

Just how bad has it been? Quite bad. But it’s the contours that are most interesting. Some observations:

1.  The home-run bug has bitten the Cardinals very badly. Every single starter has a higher than average HR/FB.

2.  The Cards are issuing way too many free passes. Dakota Hudson and Michael Wacha are the obvious culprits. Wacha, in particular, has been horrendous. But the Adam Wainwright BB% cuts against a Wainossance narrative, because it is far higher than what the veteran was posting in his prime.

3.  The Cardinals don’t strike anyone out in this era of strikeouts. Only Flaherty is above average in this regard. And Wainwright, Hudson, and Mikolas are not even close to average.

4.  The Cardinals starters’ combination of low strikeout rate, high walk rate, and high HR/FB rate means that they have actually been fortunate with respect to their runs allowed. This is reflected in the comparison between their collective 4.95 Fielding Independent Pitching (FIP) and 4.58 Earned Run Average (ERA).

5.  It’s fair to expect their HR/FB to regress. xFIP substitutes the league-average HR rate for the pitchers’ actual HR rate in order to bake regression to the mean into FIP. Doing this gives the Cards an xFIP of 4.35 that is far more respectable. Of course, with their low K rate and high BB rate, their xFIP is still below average.

6.  A lot of fans zeroed in on Hudson early on and deservedly so. But this table shows that there is more than enough blame to go around, especially when it comes to the veterans. Wacha, in particular, has been terrible.

7.  While the Wainossance narrative has been overblown, the Wagonmaker is a perfectly find No. 5 starter. The problem for the Cardinals is having Waino, Wacha, and Hudson in the same rotation. They essentially have had a No. 5 in Wainwright and two replacement-level starters after him in Wacha and Hudson.



Friday, May 17, 2019

The curious case of Carlos Martinez's shoulder

The St.Louis Cardinals need Carlos Martinez pitching like Carlos Martinez. Health is the problem. But I’m not entirely sure what exactly is wrong with Martinez. It seems like maybe the Cardinals aren’t sure either.

With the Cardinals staking out the position that Martinez is not healthy enough to return to the struggling rotation and El Gallo set to rejoin the team as a reliever, the cloudiness regarding his health is all the more curious. In order to attempt to understand the approach the organization has taken, I decided to revisit the reporting on Martinez’s health to present.

May 10, 2018:  Very Mild Lat Strain

The Cardinals placed Martinez on the IL with a right lat strain. At the time MLB.com reported that general manager Michael Girsch said:

“He was more sore than normal, so we did an MRI and he saw a doctor, and given that it is a very mild lat strain, and with an off-day yesterday, and off-day Monday, the right thing to do was to give him a little break . . .”

July 21, 2018: Right Oblique Strain

The Cardinals activated Martinez and added him to the rotation after minor-league rehab starts. Martinez injured himself making a play in the field in his start after the activation. MLB.com reported at the time that St. Louis placed the righty on the 10-day IL with a “right oblique strain.”

Martinez described feeling a pull in his right side when he lunged for a ground ball in the final inning of his start on Thursday. He didn’t make the play and went on to allow five runs in a 28-pitch fifth inning that turned the game. Martinez assured the Cardinals that he could continue to compete, but the Cardinals opted to go ahead and move him to the [IL] so that they could add an extra reliever for their doubleheader on Saturday.

Interim manager Mike Shildt said the club is “super optimistic” that Martinez will miss only one start.

The Cardinals activated Martinez from the IL to start ten days later.

July 31, 2018:  Mild Right Shoulder Strain

MLB.com reported:

The Cardinals believe they dodged a season-ending injury with Carlos Martinez, whom they hope will miss only two or three starts while on the [IL] with a right shoulder strain. The organization is characterizing Martinez’s right shoulder strain as mild, and found no evidence of any structural damage in the MRI that Martinez underwent after exiting Monday’s start in the fifth inning.

A “right shoulder strain” is vague. The Cardinals did not identify a specific muscle that is strained, unlike the previous two times Martinez was injured. In addition to the broad description of Martinez’s injury, MLB.com reported, with respect to the earlier right lat strain and right oblique strain, that:

The Cardinals will evaluate how the three injuries might be related and whether they are an indicator of a larger underlying issue. A significant velocity drop during his final inning Monday was a red flag that, once again, something was amiss.

“I think what we’ll use the next couple of weeks for is to get him in a position where hopefully we can decrease those odds of those kinds of injuries,” said president of baseball operations John Mozeliak.

In addition to opting for a general description for what ailed Martinez, this is also the first time that the organization (through Mozeliak no less) floated the idea that all of Martinez’s injuries could be related. It would not be the first time.

February 20, 2019

Derrick Goold of stltoday.com reported:

The Cardinals removed Martinez from the team’s throwing program Tuesday after his shoulder experienced weakness similar to what put him on the [IL] three times in 2018. A scan taken of his pitching shoulder Monday did not reveal any structural damage, officials said.

****

During a disrupted and incomplete 2018, Martinez had stints on the [IL] because of a lat strain, an oblique strain and a shoulder strain. All three injuries were traced back to weakness in the muscles surrounding the right shoulder. One muscle was torn by having to compensate for another. Several times his velocity plummeted during games. . . .

A strain is a tear. So the lat strain was a tear. But there is also the general shoulder strain (tear). So it’s unclear if the initial lat strain is the injury described above or if Martinez subsequently tore another muscle.

April 24, 2019

Goold reported at stltoday.com:
Martinez completed another in a series of bullpen sessions Tuesday at Busch Stadium, and rather than relocated his rehab to Jupiter, Fla., to accelerate a rise back to the majors and the rotation, he’ll remain with the team this week. His focus will be on “shorter burst outings, manager Mike Shildt confirmed.

The decision was made after a conversation with Martinez during which he described what the Cardinals also saw — limits Martinez had pitching at full-throttle, for a higher pitch count, and recovering well enough to start.

“He’s in a sport, quite honestly, (where) the best road right now for Carlos is to continue to get his side work and it looks like it will be better for him in a short stint,” Shildt said. “... Right now he’s in a mindset — and we are with his feedback — about being able to move forward with shorter, shorter full-out intensity.”

So Martinez’s failure to recover sufficiently after bullpen sessions due to shoulder weakness of some undefined type has led the club to decide to bring him back into competition as a reliever.

May 10, 2019


The 100-inning reliever has faded from the game, but in an era of shrinking starts and overpopulated bullpens there has become a place for multi-inning and elastic relievers. This past season, two full-time relievers pitched at least 90 innings, three others, including Milwaukee’s lefty Josh Hader, three 80 innings. The Cardinals haven’t had a reliever log that many innings since 2014. While Martinez will be limited by the calendar, the Cardinals don’t expect him to by traditional bullpen jobs.

“I could envision that,” Shildt said when asked about the 100-inning-type reliever. “He could be on (pace) for a regular season of 100 innings out of the bullpen — would not surprise me. If you get multiple effective and efficient innings out of your bullpen and consistently out of guys — that has a ton of value. It can impact your starts. It can impact the rest of the bullpen. It can allow you to potentially carry maybe seven vs. eight (relievers), which puts you on an extra position player.”

What might Shildt have meant by his 100-inning pace comment? I see two possible explanations:

1)  Shildt intends to use Martinez at a 100-IP pace over the team’s remaining 118 games, which would mean the righty would have 18 games off over the rest of the season.

2)  Shildt intends to use Martinez at a rate over that would equal 100 IP if it were applied over the full 162-game schedule, which would work out to about 73 IP this year.

Either usage rate seems aggressive if not overly so. No. 1 is about as sane as Batman’s fiercest foe, The Joker. But the second interpretation is not much saner (maybe Riddler crazy?). For some context, 73 IP in 162 games would have been the twenty-third most in MLB last year among relievers. That’s far closer to the most-used reliever in the game than the least. Such a high usage rate seems to contradict the Cards’ stated rationale for removing Martinez from the rotation.

There is a credible argument that pitching in relief is as hard or harder on a pitcher’s health than starting. A reliever gets loose (“hot,” in Cardinals parlance) on days when he doesn’t pitch and sometimes does so multiple times in the same game before pitching. There is less time to rest the body. Mozeliak challenged the idea that relief work is less strenuous on the body than starting when some in the media floated it as a possible path for Michael Wacha, back when he was dealing with chronic shoulder problems.

All of this is to say that it is very odd that the Cardinals management, with the club’s terrible starting pitching this year, declared Martinez too unhealthy to pitch as a starter before then openly musing about him racking up innings in relief at a rate of usage that would be at or near the top of MLB. To be sure, a pitcher’s health is fluid. It could be that Martinez’s health has improved and such a high rate of usage is understandable given his current injury status. But if Martinez’s health has improved that much, why isn’t the club stretching out their best starting pitcher with the hopes that he can replace Michael Wacha, Dakota Hudson, or Adam Wainwright in the rotation?

All of this is to say that the Cardinals’ public statements about Martinez are increasingly curious. It will be interesting to see if Shildt’s use of Martinez as a reliever reflects an aggressive or conservative approach. Hopefully the Cardinals don't aggravate Martinez's shoulder issues with overly aggressive deployment of the right.

Thursday, May 16, 2019

Are we witnessing an Adam Wainwright 'renaissance'?

Adam Wainwright had a decent game against the Pirates in his last start. The veteran lasted seven innings in which he notched eight strikeouts and issued no walks. Best of all, Wainwright gave up only one home run, which was how Pittsburgh plated their only run against him.

The start had the feel of vintage Wainwright. It was the type of line he would have posted in the days when he was in the conversation for the Cy Young Award six or 10 years ago. And so it’s somewhat understandable that MLB.com ran with a post by Jenifer Langosch under the headline: “Adam Wainwright finding early-career form.”

Langosch opens the post thusly:

With each quality start Adam Wainwright makes — and there have been a team-high five so far — the more his renaissance is looking less like a fluke and more likely to last.

Words have meaning. And “renaissance” is most closely associated with that period in history when there was a revival in art, literature, and learning that led Europeans out of the medieval era and into the modern one. And this is where the premise of Langosch’s post runs off the rails. Wainwright’s 2019 performance not Michaelangelo’s David.

First, let’s look at the way the revival is defined: “quality” starts compared to the other Cardinals starters. It’s a simple stat with some use. A pitcher has a “quality” start if he lasts at least six innings while surrendering three or fewer runs. As a measure of starting pitcher performance, it’s definitely better than the worthless pitching “win,” but it still tells us very little about how the starter actually performed that game or, more importantly, how the starter has performed overall.

Further, the St. Louis rotation has pitched badly. Horribly. It’s been awful. So leading the group in any stat with the word “quality” in it is not all that impressive. One might even consider it damningly faint praise.

Ben Godar pointed out the FiveThirtyEight.com game score tool and used it in his recent post at Viva El Birdos. Game score is also far from perfect, but it gets more into the weeds of how a pitcher pitched by awarding points for strikeouts and taking them away for bad results such as walks and hits. And Wainwright’s game score average in 2019 has been below average, roughly on par with Michael Wacha's.

From Cy Young Award contender to below-average game-score poster. That’s not a Wainwright renaissance in any sense. But perhaps I'm being unfair because I’m not considering the backdrop of 2018, when Wainwright looked washed up, like he simply could not pitch in the majors anymore without embarrassing himself. And that’s likely more the thrust of the Langosch post:  Wainwright no longer embarrassing himself like he did last year.

So let’s compare Wainwright’s 2019 season to his excellent season in 2009, 2013, and 2014, as well as his awful 2018, which caused us to think he was washed up.

Wainwright:  2009, 2013, 2014, 2018, and 2019

Year
IP
K%
BB%
LOB%
BABIP
ERA
FIP
xFIP
fWAR
2009
233
21.9
6.8
80.4
.296
2.63
3.11
3.32
5.2
2013
241.2
22.9
3.7
74.5
.305
2.94
3.10
3.23
6.2
2014
227
19.9
5.6
78
.267
2.38
2.88
3.34
5.0
2018
40.1
22.1
9.9
74.1
.310
4.46
4.28
4.26
0.5
2019
43.1
20.3
7.4
76.3
.273
4.15
4.67
4.16
0.3

Wainwright’s cumulative 2019 stats are about the same as his 2018 stats, when we all thought his career was over. We aren’t witnessing a renaissance so much as a pitcher fighting to keep his head above water at the end of his decline phase. Wainwright isn’t pitching well. His performance to date is mediocre at best. Throw in the fact that he has been comically bad against left-handed hitters and there’s no question that the Wainwright we’re watching this season is much more akin to the one we watched in 2018 than the one who was an ace.

Don’t get me wrong. It’s really fun when we get a throwback performance that reminds of the hurler that Wainwright once was, but those performances don’t change the pitcher that he is. And it won’t be long before the Cardinals have to decide if the good outings are enough to outweigh the bad outings as they try to best the Cubs, Brewers, Pirates, and Reds in a highly competitive National League Central.

Luckily for Wainwright, the organization has bigger problems like Michael Wacha and Dakota Hudson to deal with first. And their doing so might have the effect of making Wainwright a perfectly fine back-end starter, which very well may have been their hope all along.