Imanaga’s injury follows a start Tuesday in Pittsburgh in which he left in the sixth inning with leg cramps in both legs. He said he felt good Sunday before the injury, and “there was no sign in the back of my leg” before the start.

Chicago Cubs left-hander Shota Imanaga left Sunday’s game at Milwaukee after straining his left hamstring, adding another injury to the banged-up rotation for the NL Central leaders.

Chicago Cubs southpaw Shota Imanaga left Sunday's 4-0 loss against the Milwaukee Brewers ( box score) with a strained left hamstring, marking the second consecutive start that saw him depart early with a physical issue. Last time out, Imanaga exited in the sixth inning with leg cramps.