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,

The Washington Nationals have swung their biggest trade so far, sending Michael Soroka to the Cubs for Ronny Cruz and Christian Franklin

The Chicago Cubs made a risky move when they traded for starting pitcher Mike Soroka ahead of last week's deadline, and that risk may not have paid off.