Spring Training roundup: Aaron Boone takes leave for pacemaker; Jon Lester to have surgery
Erick_Fedde
MLB notebook: Yankees manager Boone takes leave of absence for surgery to get pacemaker
Nationals activate Jon Lester
Washington Nationals lefty Jon Lester to have thyroid gland removed - ESPN
Nationals pitcher Jon Lester to have thyroid gland removed - Chicago Sun-Times
Nationals say lefty Jon Lester to have thyroid gland removed
Nationals Activate Jon Lester - MLB Trade Rumors
Do Chicago Cubs have deadline for impending free agents?
Nationals say lefty Jon Lester to have thyroid gland removed
Jon Lester - Wikipedia
Arihara settles into 2nd start for Rangers, 3 solid innings - The San Diego Union-Tribune
MLB Rumors: Jon Lester has retired - Lone Star Ball
Nationals say lefty Jon Lester to have thyroid gland removed
Jon_Lester