Bundy injured the muscle after his last start at High-A Frederick, and ge did it while running. The injury isn’t related to his arm, Orioles executive vice president Dan Duquette said.
Bundy was evaluated by Orioles team doctors Thursday in Baltimore before the decision was made to place him on the DL.
Bundy, 21, returned to the mound in June after he underwent Tommy John reconstructive elbow ligament surgery last year. The organization has handled him carefully as he has worked his way back, keeping him to a 75-pitch limit for the remainder of the season.
With just 19 days left in Frederick's season, it’s unclear whether Bundy will pitch again in the minor leagues this year.
“I think before we get to that point, I think we need to resolve this and make sure he heals before he does any more activity,” Duquette said. “It will probably take a couple of weeks [to heal].”
After Frederick's game Tuesday was rained out, Bundy missed his scheduled start Wednesday in a doubleheader. This season, he is 1-3 with a 3.27 ERA with 38 hits and 37 strikeouts over 41 1/3 innings between Frederick and short-season Single-A Aberdeen.
He had allowed two or fewer runs in each of his last three starts, even though pitch count limits prevented him from going six innings in two of those outings.
The Orioles had made it clear that they didn’t expect Bundy, who made his major league debut in 2012, his first full professional season, to contribute to the major league club this year. But they were expecting him to be at full strength by spring training next year.
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