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  • Twins Minor League Leader Board (Pitchers)

    Earlier this week, I looked at the first-half leader board for the Minnesota Twins' minor league hitters. It gave good insight into which players had the best first half, and maybe who we should be looking for in the second half.

    Today, I'm going to go over the leader boards in a handful of pitcher statistics to take a look at who has been leading the way in the first half.



    Because with pitchers there are starters and relievers, I had to pick an arbitrary cut-off line for each. Nothing scientific about it, I went with 60 innings pitched for starters and 30 innings pitched for relievers. Just nice, round numbers, but my method cut off a couple of guys who just missed a category. For instance, Red Wings left-hander Aaron Thompson is sitting at 29.2 innings right now. Fair or not, he's not included here.

    Also, several pitchers spent time both starting and relieving. I went with which category they had more of. For instance, Matt Summers made six starts and has now pitched in 13 games as a reliever, so I counted him among the latter. Tim Shibuya recently was put in the Miracle rotation, but spent most of the first half in the bullpen, so I included him in the relievers.

    Let's get started with the arbitrary stats that get lots of glory, but as we all know, are dependent on other things:

    WINS


    1.) Yohan Pino - Rochester - 9
    2.) JO Berrios - Ft. Myers - 8
    2.) Trevor May - Rochester - 8
    4.) Sean Gilmartin - New Britain/Rochester - 7
    4.) Taylor Rogers - New Britain - 7
    4.) Jason Wheeler - Ft. Myers/New Britain - 7

    Sure, it's one of 'those' stats, but this is a pretty impressive list of guys who have pitched well this season.

    SAVES

    1.) Lester Oliveros- New Britain - 12
    2.) Tyler Jones - Ft. Myers - 9
    3.) Hudson Boyd - Cedar Rapids - 6
    3.) Todd Van Steensel - Cedar Rapids - 6
    3.) Madison Boer - Ft. Myers - 6

    Oliveros has pitched great and has now been promoted to Rochester.

    INNINGS PITCHED

    1.) Taylor Rogers - New Britain - 92.1
    2.) Jason Wheeler - Ft. Myers/New Britain - 85.1
    3.) JO Berrios - Ft. Myers - 83.1
    4.) Sean Gilmartin - New Britain/Rochester - 81.0
    4.) Pat Dean - New Britain - 81.0

    Innings pitched shows that guys are being efficient in their pitches because pitch counts are very closely monitored. It's an underrated stat in that teams are very conscious from year-to-year how many pitches are thrown. To be fair, Trevor May is at 79.2 innings and Tyler Duffey and Kris Johnson are at 79.1 innings. So this is a ranking that could flip-flop from day-to-day depending on who is making a start.

    ERA (Starters - 60 IP min.)

    1.) Yohan Pino - Rochester - 1.92
    2.) JO Berrios - Ft. Myers - 2.05
    3.) Matt Tomshaw - Ft. Myers - 2.37
    4.) Kohl Stewart - Cedar Rapids - 2.53
    4.) Jason Wheeler - Ft. Myers/New Britain - 2.53
    6.) Kris Johnson - Rochester - 2.72

    I added a 6th in this category just because there are so many quality performers.

    ERA (Relievers - 30 IP min.)

    1.) AJ Achter - New Britain/Rochester - 1.47
    2.) Brandon Peterson - Cedar Rapids/Ft. Myers - 1.67
    3.) Cole Johnson - New Britain - 2.25
    4.) Edgar Ibarra - Rochester - 2.36
    5.) Tim Shibuya - 2.82

    This group has been impressive all season, generally mirroring their career success.

    WHIP (Starters - 60 IP min.)

    1.) Yohan Pino - Rochester - 0.93
    2.) JO Berrios - Ft. Myers - 1.06
    3.) Matt Tomshaw - Ft. Myers - 1.10
    4.) Kohl Stewart - Cedar Rapids - 1.13
    4.) Trevor May - Rochester - 1.13

    WHIP (Relievers - 30 IP min.)

    1.) AJ Achter - Rochester - 0.74
    2.) Brandon Peterson - Ft. Myers - 0.96
    3.) Cole Johnson - New Britain - 1.00
    4.) Tim Shibuya - Ft. Myers - 1.02
    4.) Lester Oliveros - New Britain/Rochester - 1.02

    I like looking at WHIP, especially for relievers. It's just a look at how many base runners a pitcher has allowed per inning. For a reliever, especially, ERA can be misleading in that you don't consider inherited runners scoring, etc.

    K/9 (Starters - 60 IP min.)

    1.) JO Berrios - Ft. Myers - 10.6
    2.) Alex Meyer - Rochester - 10.5
    3.) Trevor May - Rochester - 9.2
    4.) Yohan Pinto - Rochester - 9.0
    5.) Sean Gilmartin - New Britain/Rochester - 8.9
    6.) Logan Darnell - Rochester - 8.2

    K/9 (Relievers - 30 IP min.)

    1.) Brandon Peterson - Cedar Rapids/Ft. Myers - 12.8
    2.) Lester Oliveros - New Britain - 10.7
    3.) Cole Johnson - New Britain - 10.0
    4.) AJ Achter - Rochester - 9.4
    5.) Josue Montanez - Cedar Rapids/Elizabethton - 9.1

    Obviously we all like strikeouts. They do help predict future success, at least in part. Mainly it marks the quality of "Stuff" and its hit-ability. The Twins do have some guys who can miss some bats, and several of them are in the upper levels.

    BB/9 (Starters - 60 IP min.)


    1.) Matt Tomshaw - Ft. Myers - 1.4
    2.) Aaron Slegers - Cedar Rapids - 1.5
    3.) Tyler Duffey - Ft. Myers/New Britain - 1.8
    4.) Sean Gilmartin - New Britain/Rochester - 2.0
    5.) Pat Dean - New Britain - 2.1
    6.) Jason Wheeler - Ft. Myers/New Britain - 2.1

    BB/9 (Relievers - 30 IP min.)

    1.) Tim Shibuya - Ft. Myers - 1.1
    2.) Alex Muren - Cedar Rapids - 1.5
    3.) Brandon Peterson - Cedar Rapids/Ft. Myers - 1.9
    4.) AJ Achter - New Britain/Rochester - 2.7
    5.) Cole Johnson - New Britain - 2.8

    Focus on control and throwing strikes are obviously very important to the Twins. The Twins have several starters and a couple relievers that really have good control. The question sometimes can be about command within the strike zone, and not being too hittable. But if you look at the K/9 and the BB/9, it's good to see some on both lists.

    STRIKEOUTS

    1.) JO Berrios - Ft. Myers - 98
    2.) Alex Meyer - Rochester - 83
    3.) Trevor May - Rochester - 81
    4.) Sean Gilmartin - New Britain/Rochester - 80
    5.) Taylor Rogers - New Britain - 75

    Just for fun, I thought we would end with the raw strikeout numbers. It certainly indicates, along with his other numbers, just how good Berrios has been this year.

    SUMMARY

    As much as at any time in the past, the Twins do have a handful of starters and relievers who are putting up some hopeful numbers, and it is fun see. How many will be able to maintain their production over the 2nd half? How many will receive 2nd half promotions? How will they adjust to a new league with better competition? Well, we shall find out!
    Comments 8 Comments
    1. Lonestar's Avatar
      Lonestar -
      Fangraphs has BB%, K%, K%-BB%, and BABIP readily accessible.
    1. ericchri's Avatar
      ericchri -
      I was just glancing through his Adopt-a-Prospect writeup since I'm not familiar with him, but Brandon Peterson is having quite a season. He seems like another one of our now numerous hard-throwing closer types. How does he rate compared to some of the better-known guys like a Tonkin or Zach Jones as far as future potential?
    1. tarheeltwinsfan's Avatar
      tarheeltwinsfan -
      Thanks Seth. Lots of fun to read these first half summaries. They should result in second half promotions for some.
    1. TheDean's Avatar
      TheDean -
      Quote Originally Posted by ericchri View Post
      I was just glancing through his Adopt-a-Prospect writeup since I'm not familiar with him, but Brandon Peterson is having quite a season. He seems like another one of our now numerous hard-throwing closer types. How does he rate compared to some of the better-known guys like a Tonkin or Zach Jones as far as future potential?
      I'm really not informed on how to project prospects, but since Peterson is my AaP, I thought I'd give my two cents.

      A couple weeks back, I wondered how he compares to other recent relief prospects, and in researching the stats, there are a lot of similarities to Tonkin. They're different builds in that Tonkin has a few inches of height on him, but their peripheral stats have some similarities at similar levels/ages. Tonkin joined the Twins organization out of HS, and Peterson out of college, but they both split time at A/A+ during their age 22 season.

      Both players seem to have (IMO) high BABIP in their age 22 season (.321 for Tonkin, .333 for Peterson), but Peterson has benefited from putting up a goose egg in the HR column.

      I also haven't seen any of his games, so I don't know if there's anything else to his arsenal besides a low to mid-90s FB and a nice slider.
    1. DAM DC Twins Fans's Avatar
      DAM DC Twins Fans -
      Throwing in my two cents since Brett Lee is my AAP...Brett has been on the DL the month of June so he doesn't make Seth's list (he has 46.2IP). He has an ERA of 2.62, a WHIP of 1.22 and BB/9 of 1.8. His strike outs are down. The other three make Seth's cut-off. That tells me that the Twins have a few more prospects that missed Seth's list cause of injury or just being below cutoff points. That's not to mention guys like Gonsalves who will get chance in second half.

      This is best Twins minor league pitching prospects have looked in years--IMHO.
    1. Seth Stohs's Avatar
      Seth Stohs -
      I talked to Brett a couple days ago and he says he's targeting a July 10 return to the Miracle. May be be a couple of rehab appearances with the GCL.
    1. DocBauer's Avatar
      DocBauer -
      Not a negative to players in the lower minors, but so encouraging to see how many of these names are at AAA. And a couple just below at AA.
    1. Thrylos's Avatar
      Thrylos -
      Pitching is a strength in this organization all of the sudden, but they need to trim the tree from the top, to be effective
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