Orioles closer Zach Britton is likely done for the remainder of the 2017 season after receiving a stem cell injection in his left knee, Peter Schmuck and Jon Meoli of the Baltimore Sun report. Britton has been battling knee problems for most of the season.
The Orioles are still technically in the AL Wild Card race, entering play Thursday 5.5 games behind the Twins for the second Wild Card slot. With only nine games remaining, however, the 73-80 Orioles are likely being realistic about their chances and not taking any unnecessary risks with Britton.
Britton, 29, put up a 2.89 ERA with 15 saves and a 29/18 K/BB ratio in 37 1/3 innings this season. He will be eligible for arbitration for the fourth and final time this offseason.