The 28-year-old right-hander was designated for assignment Wednesday after going 1-2 with a 6.05 ERA in 21 appearances, though striking out 26 batters in 19-1/3 innings.
Wisler will be added to the active roster Saturday, taking the place of lefty Ryan Sherriff, who was optioned to Triple-A after Friday’s game.
Choi, out since June 2 with a left groin strain, felt good after batting eight times in an extended spring game Friday.
Rookie shortstop Taylor Walls seemed surprised to see the ball from his first big-league homer — acquired in a trade worked out by the team staff for an autographed bat — waiting for him in the clubhouse after Wednesday’s game.
• Cash said reliever Nick Anderson, out since the spring with an elbow sprain, is “throwing nice and easy …
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