Zack Wheeler is going on the 15-day injured list due to a blood clot found close to his right shoulder, per multiple Phillies beats out of Washington on Saturday that include The Athletic's Charlotte Varnes .

The Phillies ace was dealing with shoulder soreness earlier this month, which led the club to give him a few extra days of rest between his Aug. 2 start at home against Detroit, when he gave up three home runs in a losing decision, and his Aug. 10 outing at Texas, a 4-2 win where he pitched through five innings.

The right-hander also pitched against the Nationals on Friday night down in D.C., pushing through another five innings in a 6-2 Phils win where he didn't get the decision.

Noticeably, though, the 35-year-old was throwing with diminishing velocity, which this late into th

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