The Minnesota Twins have recalled a promising reliever who could help fix the struggling bullpen as a corresponding move to placing righty Cole Sands on the injured list.

The Minnesota Twins have placed Cole Sands on the injured list and promoted Minnesota native John Klein for his major league debut.

Right-hander John Klein got the St. Paul Saints off to a strong start — and much better than his previous outing — on Thursday in Toledo, Ohio against the Mud Hens. Klein left the game and the Saints were undone in the middle innings, however, in a 5-3 loss. Klein — ranked No. 20 of the Twins’ top prospects, according to MLB Pipeline — allowed one run in four innings. He gave up two hits, ...

MLB.com's Matthew Leach thinks this reliever could unexpectedly make the Twins' Opening Day roster.

Will this pitcher make the Opening Day roster?