Archive for Eduardo Rodriguez

In the second installment in my series on the factors impacting components of BABIP, I move on from flyball BABIP for pitchers to ground ball batting average for pitchers. This analysis produced one result that really surprised me: whether or not a pitcher has a tendency to allowed pulled grounders does not have much of an impact on the ground ball batting average they allow. I didn’t anticipate this, because hitters put up a collective .180 batting average on pulled grounders in 2019, but a .306 average on all other grounders. For pitchers who allowed at least 225 grounders in seasons between 2015 and 2019 (n=286), the negative relationship between pull rate and ground ball batting average allowed (GB Avg) was significant at p < .05, but with just an .012 Pearson’s r.
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A little more than a year ago, Alex Chamberlain and I looked into what type of impact a slew of Statcast measures had on a pitcher’s overall BABIP rate. Hard-hit rate and exit velocity on ground balls (EV GB) had the strongest correlations, but it seemed unlikely that the latter would have much to say about which pitchers would be best at limiting hits on flyballs in play. In general, it seems that BABIP could be influenced by different factors depending on the type of batted ball.

So let’s test that out. This column is the first in a series of four where I will be looking at the impact of various measures on flyball BABIP and ground ball Avg, both for pitchers and hitters. I’m kicking this off with an analysis of flyball BABIP for pitchers.
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Pitchers who are adept at getting swinging strikes but not strikeouts are one of fantasy baseball’s mild annoyances. Many of us have used SwStr% as a shorthand for strikeout potential, but a few pitchers with high whiff rates fail to meet our expectations, usually because they get called strikes at a low rate. Prior to this season, Jake Odorizzi was one of those pitchers. Joe Musgrove (11.3 percent SwStr%, 19.3 percent K% in 2019) still is.

Eduardo Rodriguez does not fit this category exactly, but in the context of his past performances, he seems to be a strikeout underachiever this year. The Red Sox’s lefty entered this season with back-to-years of a SwStr% above 11 percent, outpacing the major league average for starters by more than a percentage point in both campaigns. His strikeout rates were far above average: 25.8 percent in 2017 and 26.4 percent in 2018. Yet Rodriguez achieved these rates with below-average called strike rates, with a 16.7 percent mark in 2017 and a 15.3 percent rate last season.
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Note: As was the case in a previous analysis of Statcast measures and their correlation with power metrics for hitters, I owe a debt of gratitude to Alex Chamberlain. He did a lot of heavy lifting for this column, running the correlations and discussing interpretations with me.

It won’t be the first or last time, but I did a silly thing on Twitter. In announcing a pick for the Pitcher List Experts Mock, I decided to tout the player I chose by citing one of his achievements, as captured by a Statcast metric.

Fun fact: Trevor Williams has the 3rd-lowest avg. exit velocity allowed on flies and liners over the last two seasons (min. 400 BBE), behind only deGrom and Kluber. Just took him in Rd 21 of the #PLExpertsMock. @JustinMasonFWFB, you’re up!

— Al Melchior (@almelchiorBB) December 13, 2018

(Justin, by the way, made his pick very promptly.)
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The season numbers aren’t great but we’ve picked up some steam over the last few weeks and hopefully will finish strong. As always, if you have any suggestions or tips, please feel free to mention them in the comments section, and thank you for reading.

Here’s how we’re doing so far this season (through most of Week 21)

38-40 record
4.84 ERA
7.7 K/9
2.4 K/BB
1.42 WHIP
41 quality starts

Here are this week’s recs (with team wRC+ for this season in parentheses):

RHP Marco Estrada – 47.8% ESPN – v. BAL (100), @MIN (100)

He’s either been really good or really bad of late, but over his last nine starts has a respectable 3.98 ERA and .709 OPS against in 54.1 innings. He won’t get much offensive support, but he also feels relatively stable among pitchers who are owned under 50% — a tough lot to crack at this point of the year. If you prefer, go with one of the guys at the bottom.

LHP Eduardo Rodriguez – 34.6% ESPN – v. OAK (101), @TBR (98)

I’m just gambling on the talent here. Rodriguez has fanned more than a batter per inning this season (9.7 K/9), and his ERA (a so-so 4.33) is supported by a better FIP (4.04). His second half has not been particularly pretty (5.22 ERA), but he’s still got 53 strikeouts and just 16 walks in 50 innings, and both of these matchups are OK, though not great.

RHP Kyle Gibson – 18% ESPN – v. SD (85), v. TOR (90)

A move on the rubber has helped Gibson be absolutely terrific over the last month-and-a-half. Since then — he told me he made the change after the start in Houston on July 16 — he’s posted a 3.19 ERA, .682 OPS against and 38-11 K/BB ratio in 48 innings. Not only is he inducing grounders at a solid rate — like always — but he’s also got an 11% swinging-strike rate over that stretch. Grounders plus a swing-and-miss slider against two awful offenses? Sign me up.

Last men out: Hyun-jin Ryu (@SF, @WAS), Brandon Woodruff (v. PIT, @MIA)

Now we’re off and running with the second week of #2xSP, and after an uneven but mostly good second week, we think we have some pretty good pitchers to give a look to as Week 2 gets underway.

Here’s how we’re doing so far this season (through half of Week 1):

0-1 record
2.93 ERA
8.2 K/9
1.3 K/BB
1.63 WHIP
2 quality starts

Brandon Finnegan (two innings, five walks) kind of blew up our rates, but Jerad Eickhoff and Dylan Bundy managed to give us a stretch of quality starts that only Meat Loaf could appreciate. This week, we have some familiar names who are a bit off the radar for some reason or another. Give ‘em a look.

Here are this week’s recs (with team wRC+ for this season in parentheses):

RHP Lance Lynn – 21.6% ESPN – v. PIT (67), @MIL (86)

The good thing from Lynn is that he’s run his pitch count up and around 100 for each of his first two starts after returning from Tommy John surgery which cost him all of the 2016 season. The bad thing is that he’s only managed 10.1 innings to show for it, with six earned runs (5.23 ERA), an 8-5 K/BB ratio and a WHIP of 1.45. On the positive side, he’s allowed a batting average of just .238 and is pretty much at his career groundball rate (44.1 percent). After allowing three home runs last time out I could see being gunshy about throwing him out there, but I’m taking a shot with a couple of weak inter-divisional offenses coming up on this slate. Sure, there’s a chance each of them turns it around just in time for Lynn to come to town, but I’ll take that gamble. When Lynn is right, he’s good for strikeouts, grounders and most importantly, wins/quality starts. Read the rest of this entry »

We’re getting down to the nitty gritty of the fantasy baseball grind, and while the non-waiver trade deadline has passed for MLB, a trade this week enhances the value of a shortstop changing leagues. Gamers who are in the hunt and those out of it in dynasty leagues should take note of a Philly who is likely going to be summoned from the minors when rosters expand on September 1st. Finally, wrapping up the suggested adds in this week’s piece from me is a lefty who’s come on strong over his last seven starts. Read the rest of this entry »