The Chicago Cubs say they knew the risk when they traded for pitcher Mike Soroka, who saw his velocity drop over his final few starts for the Washington Nationals before the deal. On Monday, Soroka left his first start for the Cubs because of shoulder discomfort,

Starting pitcher Michael Soroka is heading to the injured list after exiting his first start as a member of the Chicago Cubs early on Monday.

The Cubs had extensive conversations about right-hander Michael Soroka’s drop in velocity before acquiring him at the trade deadline, president of baseball operations Jed Hoyer said Tuesday. They were well aware of his injury history.