Christian Koss   Infield

       
 
Born: January 27, 1998
Birthplace: Riverside, CA
Height: 6-1
Weight: 180
Bats: Right
Throws: Right
   
Drafted: 12th round, 2019 by COL
How Acquired: Acquired from Colorado for Yoan Aybar (Dec. 2020)
College: UC-Irvine
High School: JW North (CA)

Photo © Maddie Malhotra/Boston Red Sox

Pronunciation: rhymes with Boss
First Pro Contract: June 26, 2019 (COL)
Signing Scout: Jon Lukens
Signing Bonus: $180,000
   
Pro Debut: June 30, 2019 (Grand Junction)
MLB Debut: -
   
Twitter: @KossDaBoss27
Instagram: @koss25


Traded to San Francisco (March 2024)
 
 
 
 
 
     
  Scouting Report & Links      
         
  Physical Description: Average, athletic frame. Minimal remaining projection.

Hit: Starts square with his bat on his shoulder. Utilizes a leg kick timing device. Solid-average bat speed. Quick hands. Short swing, direct to the ball. Swing-and-miss has increased as he has attempted to hit for more power and lift the ball more. Aggressive approach. Looks to attack early in the count and will expand the zone often. Rarely walks and has swing-and-miss in his game. Needs to refine approach and make better swing decisions. Struggles against velocity. Potential fringe-average hit tool.

Power: Will show average raw power, especially to the pull side. Swing adjustment added loft in 2019, showing substantial power in a very hitter-friendly league that carried over into 2021 in Greenville. Hits the ball hard and could develop fringe-average raw power in his peak.

Run: Average speed.

Field: Above-average defensive profile. Sure-handed. Solid footwork, quick transfer, makes flashy plays. Fluid actions, soft hands. Comfortable going to both sides and plays his angles well. Good instincts, almost always makes the right play and is always thinking ahead. Has played second base, third base, and shortstop in pro ball and began to see a little bit of time in center field in 2022.
  Arm: Above-average arm strength. Quick release. More than passable at all infield positions.

Career Notes: Impressed in the Cape League in 2018. Was a well-regarded prospect heading into the 2019 college season, but struggled at the plate with UC Irvine early on and fell to the 12th round. Continued to make swing adjustments in 2019, resulting in a nice showing in the Pioneer League, where he was old for the level. Was acquired for LHRP Yoan Aybar in a deal apparently made by the Red Sox to free up a 40-man roster spot during the 2020-21 offseason. Reportedly surprised Red Sox staff with his ability to play shortstop after the trade. Participated in the 2021 Fall Performance Program. Participated in the 2022 Winter Warm-Up. Received a non-roster invitation to MLB spring training in 2022. Received a non-roster invitation to MLB spring training in 2023. Traded to San Francisco shortly before the 2024 season.

Summation: Potential emergency up-and-down utility infielder. Ceiling of a utility infielder. Hit tool development will be key to reaching his potential. Has enough defense and power to profile in a bench role, but upside is limited if he cannot make more contact.

Links
Scouting Scratch: Breaking Down the Arizona Fall League Contingent (10.27.2021)
 
   
     
    Hitting Stats                                          
  year team lg level org age g ab r h 2b 3b hr rbi tb bb so sb cs avg obp slg ops
2017 UC Irvine BW NCAA --- 19 40 122 14 22 3 1 0 20 27 12 24 0 1 0.180 0.259 0.221 0.480
  2018 UC Irvine BW NCAA --- 20 52 195 25 56 9 3 1 17 74 14 44 4 2 0.287 0.343 0.379 0.722
  2019 UC Irvine BW NCAA --- 21 54 202 45 62 12 5 5 30 99 25 51 11 2 0.307 0.397 0.490 0.887
  2019 Grand Junction Rockies Pio Rk Col 21 53 190 45 63 11 4 11 51 115 35 43 10 4 0.332 0.447 0.605 1.052
  2020 Season Cancelled --- --- Col 22 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
  2021 Greenville Drive HAE A+ Bos 23 104 428 65 116 18 7 15 55 183 31 100 10 4 0.271 0.325 0.451 0.776
  2021 Scottsdale Scorpions AFL Fall Bos 23 12 43 3 10 1 0 0 6 11 3 8 1 0 0.233 0.283 0.256 0.538
2022 Portland Sea Dogs East AA Bos 24 125 488 69 127 22 5 17 84 210 25 137 16 5 0.260 0.311 0.430 0.742
  2022 Criollos de Caguas LBPRC Wint --- 23 29 87 7 20 3 1 0 9 25 7 17 3 5 0.230 0.299 0.287 0.586
2023 FCL Red Sox FCL Rk Bos 25 7 24 4 7 1 0 1 3 11 1 6 2 1 0.292 0.320 0.458 0.778
2023 Portland Sea Dogs East AA Bos 25 38 134 18 30 7 1 2 10 45 10 33 11 1 0.224 0.283 0.336 0.619
2023 Worcester Red Sox IL AAA Bos 25 34 114 13 27 8 1 1 10 40 5 26 2 1 0.237 0.285 0.351 0.635
  2023 Criollos de Caguas LBPRC Wint Bos 26 5 11 1 3 1 0 0 3 4 0 2 1 0 0.273 0.333 0.364 0.697
   
     
  Advanced Stats & Splits
   
     
  Awards   SoxProspects.com Awards  
  Pioneer League All-Star (2019)
Pioneer League Player of the Week (July 8-14, 2019)
Pioneer League Player of the Week (July 30 - Aug. 4, 2019)
Pioneer League Season-End All-Star (2019)
2021 Red Sox Minor League Baserunner of the Year
  SoxProspects.com Player of the Week (August 24-29, 2021)
SoxProspects.com Player of the Week (April 19-24, 2022)
 
   

   
     
 
 
 
     
 
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