Jerry Dipoto isn’t wasting any time revamping the Mariners roster as the new general manager engineered a six-player trade with the Rays on Thursday that brings starting pitcher Nathan Karns, reliever C.J. Riefenhauser and well-regarded Minor League outfielder Boog Powell to the club.
In return, Tampa Bay received first baseman Logan Morrison, utility man Brad Miller and reliever Danny Farquhar. The move was the first trade for Dipoto since he was hired to replace Jack Zduriencik.
Karns, 27, was 7-5 with a 3.67 ERA in 27 games as a rookie right-hander with the Rays last season. The 6-foot-5.