Spring Training roundup: Aaron Boone takes leave for pacemaker; Jon Lester to have surgery
Yankees manager Aaron Boone takes leave to receive pacemaker - NBC Sports
Aaron Boone says 'I feel great'; Yankees manager should be ready to return soon - Newsday
Why did Yankees manager get a pacemaker, and how does it work?
Aaron Boone: Yankees' manager takes immediate medical leave of absence
Yankees manager Aaron Boone taking leave of absence to receive pacemaker
Boone better with pacemaker, to return to Yanks this weekend – KGET 17
Yankees' Aaron Boone tweets message to fans following pacemaker procedure
Yankees manager Boone feels 'awesome' after getting pacemaker
Aaron Boone update: Yankees manager feeling good after heart surgery
Yankees manager Aaron Boone taking leave of absence to get pacemaker
Yankees' Boone back on bench 3 days after pacemaker inserted
New York Yankees manager Aaron Boone has surgery to get pacemaker - ESPN
Aaron Boone Feeling 'Awesome' After Heart Surgery, Already Crushing Peloton Rides!
Aaron Boone to receive pacemaker: Red Sox's Alex Cora extends prayers to Yankees manager; 'He's one of my best friends in baseball'