The left-hander had offseason left elbow bone spur surgery.

WSJ: Yankees' Rivera throws 1st simulated game

The left-hander, coming back from offseason left elbow bone spur surgery, gave up six hits, three walks and had four strikeouts.

WSJ: Wells drives in run in debut, Yanks and Astros tie

The left-hander had arthroscopic surgery Oct. 25 to remove a bone spur from his left elbow.

WSJ: Yanks pitcher Hughes sidelined by back stiffness

Dr Gregory said there was a basic three-step procedure for dealing with the effects of an ankle bone spur, technically called a "posterior impingement".

BBC: SPORT | Cricket | Eng v W Indies | England medics stand firm