The Rockies and Tigers swung a minor trade this afternoon as Detroit acquired the services of right-hander Blair Calvo in exchange for cash considerations. Calvo had been designated for assignment by the Rockies earlier this week to make room for catcher Jorge Alfaro on the 40-man roster. To make room for Calvo on their own 40-man, the Tigers announced they have designated righty Braden Bristo for assignment. Calvo has be optioned to Triple-A.
Calvo made his MLB debut for the Rockies earlier this season, recording a single scoreless outing during his lone major league appearance. That outing stands in sharp contrast to what has been a brutal 2023 campaign for Calvo at the Triple-A level. In 23 innings of work for Colorado’s Triple-A affiliate in Albuquerque, the righty has been shelled to the tune of a 7.43 ERA, though a .413 BABIP and a strand rate of just 55.3% both indicate Calvo has pitched better than his disastrous results would indicate.
Going forward, Calvo figures to act as optionable bullpen depth for the Tigers, whose relievers sport a roughly middle-of-the-pack ERA of 3.85 despite covering the third most innings in the AL with 273 1/3 innings worked. As the Tigers gear up for the second half of the season, relief depth provided by hurlers like Calvo could allow Detroit to keep their relief corps fresh.
As for Bristo, the 28-year-old righty made his major league debut this season as well. To this point, he’s made three appearances in the majors during his time with the Rays and Tigers, each of which lasted multiple innings. In seven career innings of work, Bristo has posted a 2.57 ERA and 3.55 FIP with five strikeouts against four walks. Should he clear waivers, the Tigers will have the opportunity to outright him to the minor leagues, where he would continue to serve as multi-inning bullpen depth without requiring a 40-man roster spot.