Tillman is experiencing shoulder soreness and may not pitch Thursday against the Nationals, Roch Kubatko of MASNSports.com reports.

EDGE Analysis

Tillman is 15-5 with a 3.76 ERA and 1.27 WHIP for the year, but has struggled in recent outings. Over his last three starts, Tillman has allowed 11 runs across 15 innings while walking seven batters and striking out just eight. Information regarding Tillman's Thursday start should be known Wednesday.