It is estimated he could miss 3-5 starts at the opening of the season.
• Lefty Boone Logan, who underwent offseason surgery to shave a bone spur and remove bone chips from his throwing elbow, reported nothing abnormal Saturday, a day after his 20-pitch live batting practice session. He tested the arm by playing catch later Saturday.
Thomas Harding is a reporter for MLB.com. Follow him on Twitter @harding_at_mlb. This story was not subject to the approval of Major League Baseball or its clubs.