The Rockies announced they’ve recalled reliever Blair Calvo from Triple-A Albuquerque. He’ll be in Bud Black’s bullpen tonight against the Diamondbacks following his first major league call. Karl Kauffmann was optioned out in a corresponding move.
Calvo, 27, has played four-plus seasons professionally. Signed for just $3,000 as a 23rd round draftee out of Florida’s Flagler Junior College in 2019, he’s worked almost exclusively out of the bullpen in the minors. He’s never appeared on an organizational prospects ranking at Baseball America, though Eric Longenhagen of FanGraphs praised his plus slider and called him a potential middle reliever this spring.
In 153 2/3 career minor league frames, Calvo has a 4.86 ERA. He’s had the misfortune of working in some hitter-friendly environments on his way up the ladder. That includes this year’s run in Albuquerque, where the righty has allowed 18 runs in as many innings. A huge .426 batting average on balls in play hasn’t done him any favors. Calvo’s 29.2% strikeout rate and 49% ground-ball percentage are both solid, though he’s also walked batters at a 10.1% clip.
The Rockies added Calvo to their 40-man roster last offseason. He’d have otherwise been eligible for the Rule 5 draft. As a result, Colorado doesn’t need to make any 40-man transactions to accommodate his promotion. He’s in his first of three minor league option years and can bounce between Coors Field and the upper minors for the foreseeable future without landing on waivers.