TheOriolesplacedstar closerZach Brittonon the 10-day disabled list with left forearm soreness, the team announced Sunday.
Britton initially began feelingthe discomfort while throwing a curveball in the ninth inning of Friday's win over the Blue Jays.
Oriolesmanager Buck Showalter saidhe can't say forcertain if Britton will be ready to return as soon as he's eligible on April 25. In the meantime, the teamrecalled right-hander Stefan Crichton from Triple-A Norfolk.
Britton saved anAmerican League-best 47 games while posting a 0.54 ERA and 0.84 WHIP with 74 strikeouts and 18 walks over 67 innings last season. He'sregistered five saves behind a 1.29 ERA and 1.86 WHIP in six games this year.