Matt Koch
Matt Koch
28-Year-Old PitcherRP
Arizona Diamondbacks
2019 Fantasy Outlook
Koch made 14 starts and five relief appearances for a banged-up Diamondbacks team last season, filling in capably with a 4.15 ERA. He showed good control, walking just 6.1% of batters, but he managed just a 13.9% strikeout rate. His 5.83 FIP makes a serious step back appear more likely than even a modest step forward, as does his 5.96 ERA in 11 starts for Triple-A Reno. Scouts were never particularly impressed with Koch's repertoire, as his fastball averages just 91.8 mph and none of his secondaries are much better than average. His low walk rate stemmed at least partially from how hittable he is, as opposing batters made contact on 85.9% of swings (compared to 77.0% on average). He'll be a fifth or sixth starter this season and is likely a streamer at best in most formats. Read Past Outlooks
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Clears waivers
PArizona Diamondbacks  AAA
May 3, 2019
Koch cleared waivers and was outrighted to Triple-A Reno on Friday.
No team wanted to claim Koch after he posted a 9.15 ERA in 20.2 innings of relief to start the season. With a career 4.88 ERA and a 13.1 percent strikeout rate, there's little reason to believe he'll be a significant big-league asset any time soon.
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Pitching Stats
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Minor League Game Log
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Left/Right Pitching Splits
Since 2017
Even Split
BAA Batters K BB H 2B 3B HR
Since 2017vs Left .258 215 35 14 50 13 0 13
Since 2017vs Right .308 244 24 13 69 11 1 14
2019vs Left .400 50 3 2 18 6 0 5
2019vs Right .262 46 6 2 11 2 0 3
2018vs Left .209 163 32 11 31 6 0 8
2018vs Right .315 197 18 11 57 9 1 11
2017vs Left 1.000 2 0 1 1 1 0 0
2017vs Right 1.000 1 0 0 1 0 0 0
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Home/Away Pitching Splits
Since 2017
ERA at Home
ERA on Road
ERA at Home
No Stats
Since 2017Home 4.64 1.26 66.0 4 2 0 5.5 1.6 2.2
Since 2017Away 6.53 1.52 41.1 1 3 0 4.1 3.3 2.4
2019Home 11.88 1.92 8.1 0 0 0 6.5 0.0 4.3
2019Away 7.30 1.38 12.1 0 0 0 2.2 2.9 2.9
2018Home 3.59 1.16 57.2 4 2 0 5.3 1.9 1.9
2018Away 5.28 1.48 29.0 1 3 0 5.0 3.1 2.2
2017Home 0 0 0 0 0 0 0 0 0
2017Away 0.00 0.00 .000000 0 0 0 0.0 0.0 0.0
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Stat Review
How does Matt Koch compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against this season's data (min 20 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
92.4 mph
Left On Base
Exit Velocity
91.3 mph
Spin Rate
2070 rpm
Balls Hit 95+ MPH
Swinging Strike
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Recent RotoWire Articles Featuring Matt Koch
Spring Training Job Battles: Final Update
81 days ago
On the eve of Opening Day, Erik Halterman runs down the list of winners and losers in his final Job Battles update.
NL FAAB Factor: Waiver Pickups of the Week
84 days ago
Jan Levine kicks off the 2019 NL FAAB festivities with a thorough look at possible options, including an intriguing battle for bullpen supremacy in Arizona.
Spring Training Job Battles: Nearing the Finish Line
88 days ago
Erik Halterman checks in on all of the relevant job battles around Major League Baseball as spring training winds down.
Mound Musings: NL West Draft Day Targets
94 days ago
Brad Johnson tackles the National League West this week, where in Colorado, German Marquez is thriving at Coors Field.
Spring Training Job Battles: Past the Halfway Point
95 days ago
Erik Halterman provides a mid-March update on all the relevant job battles around Major League Baseball.
2017 Fantasy Outlook
Koch, who came over to Arizona in the 2015 Addison Reed trade with the Mets, made his Diamondbacks debut last season as a September callup. The 25-year-old impressed in his limited time with the club, appearing in seven games (two starts), and compiling a 2.00 ERA and 0.72 WHIP over 18 innings. That's a very small sample size, but it could be enough for Koch to get a longer look in 2017. He finished 2016 as Arizona's No. 5 starter, but with Zack Greinke coming back from injury and Patrick Corbin possibly reentering the rotation, Koch will likely be on the outside looking in to start the season. He gives the team a good option as an emergency starter or innings eater out of the bullpen. His upside is limited.
More Fantasy News
Designated for assignment
PArizona Diamondbacks  AAA
April 28, 2019
Koch was designated for assignment by the Diamondbacks on Sunday.
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Needed again for length
PArizona Diamondbacks  AAA
April 20, 2019
Koch allowed two runs on two hits, two walks and two hit batsmen while striking out one over 4.1 innings of relief in Friday's 5-1 loss to the Cubs.
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Fails to win rotation spot
PArizona Diamondbacks  AAA
March 24, 2019
Koch will not be part of the Diamondbacks' rotation to begin the season, Zach Buchanan of The Athletic reports.
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Likely part of bullpen
PArizona Diamondbacks  AAA
March 23, 2019
Koch gave up two runs on five hits while striking out six over five-plus innings Friday against the Dodgers.
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Receives starting nod Sunday
PArizona Diamondbacks  AAA
March 10, 2019
Koch (arm) will start Sunday's split-squad game against the Rockies in Mexico.
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