The Twins claimed Roa off waivers from the Astros on Thursday, Dan Hayes of The Athletic reports.
Roa will report to Triple-A St. Paul, where he will provide the Twins with some additional right-handed relief depth. He holds a 5.19 ERA, 1.96 WHIP and 6:7 K:BB across 8.2 innings at the major-league level this season.