The Cardinals placed starting pitcher Adam Wainwright on the 10-day DL Tuesday.
The club said he is being placed on the DL due to mid-back tightness. The move is retroactive to July 23. Wainwright started on July 22 against the Cubs.
Wainwright leads the club in wins with 11 and has recorded a 4.89 ERA in 20 starts in 2017.
The club said it will announce a corresponding roster move on Wednesday.
According to reports, Luke Weaver was scratched from his Tuesday night start for AAA-Memphis and could be heading to the majors to take Wainwright's roster spot.
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