Pitch Velocity Effects on Groundballs, Exit Velocity, and Swinging Strikes

Last week, I examined Danny Duffy and several other writers have examined at him also. If you want to read up on various theories on my he is performing great and why that may change, go ahead. Instead, today I am going to concentrate on his fastball velocity changes and how the results change as the velocity changes.

Danny Duffy is starting to get some Cy Young consideration after spending part of the season in the bullpen. One cause for the turnaround is his fastball velocity increasing from 93.8 mph to 95 mph. The average velocity was even higher earlier in the season but it has been steadily dropping.

So what difference does it make if he is throwing 96 mph or 94 mph? Today, I am going to lay the groundwork for finding such an answer.

Simply, I looked at three different factors, exit (or batted ball) velocity (EV), groundball rate (GB%), and swinging-strike rate (SwStr%) and how each compared to a 1 mph velocity block. To help smooth out the results, I looked velocities between whole values like 90 mph to 91 mph and labeled them 90.5 mph. Also, I looked at values between 90.5 mph and 91.5 mph and put them in the 90 mph bin. I know there is overlap, but I hoped the higher number of samples would help smooth at the final results, especially with a limited number of samples at both ends of the data range.

To start off, here are Duffy’s average exit velocities for a given range of fastball velocities.

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• Andrew Miller threw two perfect frames Sunday but considering it was the seventh and eighth innings, I’m going to flip him and Cody Allen who saved the game (22) throwing a perfect inning of his own. It goes without say that Andrew Miller is still a must own and will continue to see save opportunities this season but Allen is deserving of the first spot on the grid at this time.

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Friday was busy for relievers as Jim Johnson (10), Dellin Betances (4), Will Harris (12), David Robertson (28), Brandon Maurer (5), Sam Dyson (26), Ryan Madson (25), Tony Watson (5), and Zach Britton (36) all shook hands and earned saves on Friday. Transactions started to build up on Saturday, along with some saves so let’s get to those. Read the rest of this entry »

A few years back I created a metric to help find pitchers who are showing signs of a possible injury. I named the metric PAIN (Pitcher Abuse INdex). While I can easily publish the information at all times, I have not been able to dive into the results  as often as I would like. With the new arrangement with BJ Maack and me with the MASH Report, he will be looking at more of the daily and rehab updates and I can then dive into some deeper topics. Today, I will give an update on possible pitcher injuries.

There are just two inputs into the PAIN metric, fastball velocity, and Zone%. I have found drops in both to be indicators of possible pitcher injuries, so I decided to include the pair in the metric. Initially, I had to do a little back fitting to get the system to work. I have made a few minor tweaks over the years, but it has remained relatively constant.

One of the more recent tweaks I have made is to lower the bar for the players at risk. Initially, I made 100 the threshold for risk, but looking back, values of 90 are injured quite often. At some point in the future, I may adjust the formula so 100 is the threshold again.

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Cardinals Pitcher Call-Ups: Reyes and Weaver

The Cardinals called up Alex Reyes and he made his first major league appearance for the Cardinals bullpen last light. Reyes is a talent pitcher and here is some comparable pitchers with similar grades to his 2016 Baseball America prospect grade.

The list is dominated by hard throwers with good curve balls which describes Reyes.

Moving onto his Triple-A production this year, the 21-year-old has been a strikeout machine with 12.8 K/9, but he has some issues with walks (4.4 BB/9). Last night he averaged 99 mph with his fastball and was 98 mph in the Arizona Fall League last year. Besides the fastball, he has an above average curve ball. He is a talented pitcher and should be a top 20 pitcher for years to come if his change up is serviceable.

But to put it simply, all the talent doesn’t really matter this season. Reyes will not be useful in most leagues since he will be relegated to the bullpen and is currently not in line for Saves. In redraft leagues, let others fight over him. In keeper leagues, understand his value is limited this season. Now, if I was a non-contender in a keeper league, I would look to see if one of the contenders has Reyes and would try to pick him up for a piece which could help them win a championship.

Luke Weaver is the pitcher owners should be targeting this season instead of Reyes. To start with, here are some comparables for Weaver using MLB.com’s 2016 grades.

The list of pitchers doesn’t bring a ton of excitement to Weaver’s debut on Saturday. The key when looking at these grades is if he can get his curve or slider to be his third league-average pitch. Weaver has been extremely productive in Double-A posting a 1.40 ERA and 10.4 K/9, but a pitcher can dominate the minors with just two pitches. If viewing his start on Saturday, watch to see how his curve and slider work. If he can’t get them going, he may struggle the second or third time through the order.

As for fantasy, I think he is worth a stash in all leagues to see how he performs. I think he could be in the Cardinals’ rotation until the season end because he has only thrown 83 innings this year after throwing 124 IP last year so workload may not be an issue.

Dylan Bundy: Quick Look

I have been intrigued on how Dylan Bundy looks since moving to the Orioles rotation in mid-July. With his injuries and starting the season in the bullpen, I wanted to get an idea of what to expect from him as a starter. For the game, I picked his last start on August 7. Here are my thoughts:

• His fastball was at 92-97 mph with sink at the lower velocities. He had good command of this pitch and seemed to constantly hit is spots with it. This will help him get ahead of hitters who are looking for a pitch in the middle of the plate. His fastball seems to have a couple different movements and I would not be surprised if he has a four-seam fastball and a slower two-seamer.
• His split-change was at 85-87 mph also with plus late sink. This pitch was the best pitch he threw.
• His final pitch is a classic 12-6 curve at 77-80 mph which he used as a chase pitch for called strikes.
• As with any pitcher, when he hung the curve or change, they got crushed.
• If he throws like he did during this game next year, he is going to be a strikeout machine.

For next season, I like the possible production from him and he could be a top-20 to 40 pitcher …. if he stays healthy which is a huge if. I think he will be more valuable in shallow leagues where the replacement level is higher. In deeper leagues, he may end up a wasted pick if he goes back on the DL again for the season. Right now I would put a 140 IP, 9 K/9, and a 3.50 ERA on him for a 2017 projection.

T.J. House: Back in the majors

Going into last season, I had a huge crush on T.J. House after he put up some great numbers at the end of 2014. I bragged him up over the offseason and picked him up where ever I could. Right out of the gate of the 2015 season, House stunk it up and ended up the DL with an injury.

The biggest key I took away from my House love affair, for non-prospect who break out, any kink in their armor will probably make them unplayable. In House’s case, his velocity lost 2 mph from the previous season. There was no way he could keep up his 2014 production with a batting-practice fastball.

His return to the majors is only to the Indians bullpen and his fastball, which he should throw harder from the bullpen, only sits at 90 mph. He is unplayable in all leagues right now, but I will always remember the bond we shared that one offseason.

Apologies again on the belated BR but onto the news…

• A.J. Ramos had been struggling of late, particularly with his control (5.28 BB/9) but he’s been placed on the DL with a right finger fracture. Fernando Rodney will slide into the ninth inning for now, so kudos to anyone who held onto him after he was traded and then was mediocre on Florida. Behind Rodney we have Kyle Barraclough and Mike Dunn. However, Brian Ellington threw in the eighth inning last night and has a shiny ERA, he could enter the grid as well.

• In other injury news, Cam Bedrosian was placed on the DL with finger issues of his own. In his place we moved Fernando Salas to the closer spot. Salas has never been that effective of a reliever and he certainly hasn’t been this year with a 4.66/4.87/4.67 ERA/FIP/xFIP line and he shouldn’t have too long of a leash if he struggles. J.C. Ramirez and Deolis Guerra should be behind Salas if he falters and this could even end up a committee of sorts until Bedrosian is back up. Ramirez has seen higher leverage but I actually like Guerra more. He’s mostly famous for being part of the package the Mets sent to the Twins in the Johan Santana deal and although he’s flamed out as being an impact starter, he’s done well on the Angels this year. He doesn’t miss too many bats but has a 1.5% BB% in 35.2 innings this year and if Salas struggles he could see a save opportunity.

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• Carlos Estevez blew his second save in a row last night after allowing three earned runs while only recording one out. Over his last two outings, Estevez has retired two batters while giving up seven runs in the process. His ERA now stands at 5.18, and while a 3.71/4.11 FIP/xFIP tell a slightly different story, Estevez was never considered the long term answer at closer in Colorado. Adam Ottavino on the other hand often was considered the future in the ninth, but his return from TJ and Estevez getting saves was in his way. After the game Walt Weiss said “I’m not going to be talking about roles after the game” but this author certainly will. I’m going to go ahead and make the change on the grid, putting Ottavino ahead of Estevez. While Weiss didn’t anoint a new closer, he didn’t really defend Estevez either. Ottavino was always the better pitcher and now that Estevez blew the last two saves in terrible fashion I’m going to assume Ottavino gets the next opportunity.

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Introduction

I plan for this new series, Mixing Fantasy and Reality, to examine in detail how real happenings in baseball affect fantasy valuations. I had several projects I have worked on like xBABIP values and velocity differences in which I plan on including. The MASH Report took up quite a bit of my time compiling and tracking all the injuries and I didn’t have time for other outlets. Today marks a new beginning where I have an opportunity to make additional information available. This series will run on Monday, Wednesday, and Friday

I am not going to completely ignore injuries. If a major injury happens or I think one will happen, I will include the information. Additionally, every Thursday I will write a detailed article exclusively on a few in-depth injury topics like my HURT and PAIN reports.

As for future articles, the format will likely be two to four main areas of discussion and maybe some interesting tidbit not found elsewhere. I am not sure if I will have a set topic rotation or if I will just follow the news. For a few articles, I will need to set some ground work to reference in future articles, so don’t expect all the articles to be full of background information like the first few. I hope you enjoy the change and let me know if you have any suggestions.

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Ah, the beauty of the Holds statistic. Up by 3, Jeremy Jeffress gave up two runs in the 8^th and then Sam Dyson blew his third save of the season giving up a run in the 9^th. Jeffress earns a hold (3) and Dyson is stuck with the blown save. I know I’m probably preaching to the choir, but this is one of those glaring statistical injustices it would seem. Either way, the Rangers would come back and win the game as Matt Bush pitched two scoreless innings for the W (5). I guess the real bullpen story of this game falls on the Houston side as Will Harris’ struggles continue after walking a batter and hitting the next. After a stolen base and a fielder’s choice leaving runner’s on second and third, Ken Giles came in and gave up a double to score two runs on Harris’ docket. That’s when things got interesting for Giles who would allow 3 more baserunners over 1.2 innings, while striking out six Rangers. Yes, I know that doesn’t seem to make mathematical sense, but Giles managed to strike out Nomar Mazara on a wild pitch after allowing a Mitch Moreland double. He would then hit Ryan Rua to load the bases. Then Giles settled down and struck out the side. Read the rest of this entry »

No major moves this weekend, so this will be a shorter Bullpen Report, along with a few minor adjustments to the grid.

Steve Cishek was placed on the DL on Thursday, which doesn’t shake up the closer’s role, but does impact who is next in line in Seattle. Both Drew Storen and Tom Wilhelmsen are currently next in line despite having difficult seasons, and probably shouldn’t be owned as insurance. Outside of giving up a run against Boston, Edwin Diaz has looked fantastic as he is closed all four opportunities since being made closer. He has been dominant all season with a ridiculous 17.38 K/9 and 2.48 BB/9, to go with his 1.86 ERA (1.75 FIP). The bridge to Diaz is shaky right now, but could be getting sturdier as Nick Vincent is on a rehab assignment. Vincent struggled with the long ball giving up 1.73 per 9, but has seen a nice boost in his K rate (26.6%) and BB rate (6.1%) from last year. Expect Vincent to move immediately into the chart once he returns from his rehab assignment. The second line will still be wide open and something I’m staying away from.
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