The deadline for the Tigers to work out a trade for Astros reliever Chad Qualls passed without a deal Wednesday.
Chad Qualls retired the Athletics in order in the ninth inning on Tuesday to earn his 15th save.
Peter Gammons reports that the Tigers have claimed Chad Qualls off revocable waivers from the Astros.
FOX Sports' Ken Rosenthal reports that Chad Qualls has been claimed on revocable waivers.
Chad Qualls (back) tossed a scoreless ninth inning in a non-save situation Friday against the Indians.
Chad Qualls (back) is believed to be unavailable for Thursday's series finale against the Yankees.
Astros manager Bo Porter said reliever Chad Qualls was unavailable Wednesday with mild back discomfort.
Chad Qualls made things interesting in the ninth inning on Friday, surrendering a run on three hits, but was able to escape with his 13th save of the season.
Chad Qualls worked a scoreless ninth inning against the Blue Jays on Friday, protecting a two-run lead and earning his 12th save of the season.
The Astros are telling other teams that Chad Qualls isn't available, CBS Sports' Jon Heyman reports.
Called on to protect a three-run lead in the ninth, Chad Qualls instead gave up five runs while recording just two outs in a blown save against the A's on Tuesday.
Astros general manager Jeff Luhnow indicated Thursday that the team is unlikely to trade Chad Qualls.
CBS Sports' Jon Heyman reports that the Tigers have inquired on Chad Qualls.
Chad Qualls hurled a scoreless ninth inning Monday to notch his eighth save of the season in a 4-3 victory against the Diamondbacks.