Jared Walsh's IL placement is retroactive to July 27. Gary A. Vasquez-USA TODAY Sports

The Angels announced they’ve placed first baseman Jared Walsh on the 10-day injured list, retroactive to July 27, with a right intercostal strain. Right-hander Austin Warren has been selected to the roster in his place. Additionally, Los Angeles recalled infielder Matt Thaiss and optioned righty Andrew Wantz to Triple-A Salt Lake.

There’s no timetable for Walsh’s return, but any absence is a tough blow to an Angels club on the outskirts of the wild-card race. Los Angeles enters play Wednesday night five games back of the Athletics for the American League’s final playoff spot, with the Mariners, Yankees, Blue Jays and Cleveland all above them in the pecking order. They’ll have to go at least the next week-plus without their All-Star first baseman, who has hit .266/.320/.516 with 22 home runs over 394 plate appearances.

Warren is now set to make his major league debut. The 25-year-old has worked 36 1/3 innings of relief with Salt Lake this season. While his 6.19 ERA isn’t appealing, Warren has struck out a lofty 27.1% of opposing hitters against a slightly elevated 10.8% walk rate.

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