To accommodate the addition of shortstop Marcelo Mayer to Double-A Portland’s roster , the Red Sox have promoted fellow infield prospect Christian Koss to Triple-A Worcester, per the club’s minor-league transactions log.
Koss, 25, batted .224/.283/.336 with seven doubles, one triple, two home runs, 10 RBIs, 18 runs scored, 11 stolen bases, 10 walks, and 33 strikeouts in 38 games (147 plate appearances) for the Sea Dogs this season.
Considering how much better he did in Portland last year (.739 OPS in 125 games), those numbers may seem underwhelming on a broader scope. Still, Koss has been more productive at the plate as of late. Dating back to May 21, for instance, the right-handed hitter has gone 7-for-23 (.304) with two doubles, one homer, three RBIs, five runs scored, two stolen bases, zero walks, and seven strikeouts over his last seven games. That homer came as part of a two-hit effort in Sunday’s 10-8 loss to the New Hampshire Fisher Cats at Hadlock Field.
On the other side of the ball, Koss has seen the majority of his playing time this season come at shortstop, where he has committed just one error in 281 1/3 innings. The versatile 6-foot-1, 182-pounder has also made two starts at second base, one start at third base, and one start in left field.
“He loves to play the game,” Red Sox manager Alex Cora said of Koss back in March. “He’s made some great plays at shortstop, very athletic, versatile. He’s a good one.”
A former 12th-round draft selection of the Rockies coming out of UC Irvine in 2019, Koss was dealt to the Red Sox for left-hander Yoan Aybar in December 2020. The Riverside, Calif. native is currently regarded by SoxProspects.com as the No. 34 prospect in Boston’s farm system.
With the WooSox, Koss is slated to join a crowded infield mix that already includes Bobby Dalbec, Ryan Fitzgerald, Niko Goodrum, David Hamilton, and Nick Sogard. It is worth mentioning that he can once again become eligible for the Rule 5 Draft this winter if he is not added to the Sox’ 40-man roster by the protection deadline in November.
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