Houston got an outstanding bullpen performance in a 5-3, 10-inning win over the host Cleveland Guardians on Saturday, and the Astros will likely need another strong outing from their relievers if they want to complete a three-game sweep on Sunday.

Sunday's scheduled starter is left-hander Brandon Walter, who was on the taxi squad but expected to be added to Houston's active roster. His only major league action this season was a spot start against the Tampa Bay Rays on May 20, in which he tossed five scoreless innings with three hits, one walk and five strikeouts in a no-decision.

Walter is 3-1 with a 2.08 ERA over 47 2/3 innings in 11 games (seven starts) this season for Triple-A Sugar Land of the Pacific Coast League.

Houston relievers Steven Okert, Shawn Dubin, Josh Hader and Bennett

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