The Chicago Cubs are already down their trade deadline rotation upgrade. Right-hander Michael Soroka, who came over from the Washington Nationals in a three-player trade last week, exited Monday's game ( CIN 3, CHC 2) with shoulder discomfort and is headed to the injured list. Soroka was two innings into his first start with the Cubs.

After just two innings with his new team, Chicago Cubs starter Michael Soroka is headed to the injured list with right shoulder discomfort. The right-hander left Monday night's 3-2 loss to Cincinnati after the second inning in his first appearance with the Cubs — and on his 28th birthday — since being acquired from Washington last