Philadelphia Phillies starting pitcher Zack Wheeler hit the IL after a blood clot surfaced in his shoulder. It is unclear when Wheeler will be able to return.

With Phillies ace Zack Wheeler on the IL with blood clots, what does that mean and how have other pitchers fared?

The Phillies will be without one of their top arms for at least the next two weeks, as Zack Wheeler was placed on the injured list with a blood clot.

Zack Wheeler is "the heart of this team, the heart of this staff," Matt Strahm told MLB.com. "You never want to see it." The timetable for Wheeler's return from a blood clot removal is unknown.

Phillies pitcher Zack Wheeler was placed on the 15-day injured list Aug. 16 with a blood clot near his right shoulder.

A blood clot near his shoulder is sending Cy Young candidate Zack Wheeler to the injured list. Find out more at MLB Trade Rumors.

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Phillies fans got an answer regarding Zack Wheeler's timetable to return, and they won't like what Rob Thomson had to say.

Eagles linebacker Zack Baun is set to start doing more work at practice on Monday. Defensive coordinator Vic Fangio said that the plan is for Baun to work in team drills.

Zack Wheeler has not quite been his usual, dominant self lately. Can the Phillies ace find his old form?