The left-hander didn't have a bruise on Thursday morning and there were no X-rays taken on the area.
Britton threw two scoreless innings, allowing one hit and striking out two, in his second spring game. The 25-year-old is competing for a rotation spot and has allowed one run over four innings.
His older brother, Buck, also in camp, forgot his jersey and there was a lot of confusion as to who No. 90 was. Britton joked that it got more attention than his performance on the mound.
Brittany Ghiroli is a reporter for MLB.com. Read her blog, Britt's Bird Watch, and follow her on Twitter @britt_ghiroli. This story was not subject to the approval of Major League Baseball or its clubs.