After a review time of one-plus minute, the call was overturned and Britton earned his 19th save in 22 opportunities.
"From what everybody tells me, he might have hung in there," Orioles manager Buck Showalter said of Davis' foot. "We had nothing to lose. Our guy [Adam Gladstone] said, 'We think he might be out, let's take a look at it.'"
The O's are 11-for-19 in challenges this season.
Brittany Ghiroli is a reporter for MLB.com. Read her blog, Britt's Bird Watch, and follow her on Facebook and Twitter @britt_ghiroli. This story was not subject to the approval of Major League Baseball or its clubs.