Tony La Russa: Chicago White Sox manager reportedly retiring
Confirmed: Tony La Russa had pacemaker installed - South Side Sox
MLB notebook: La Russa steps down as White Sox manager over health issues
Chicago White Sox manager Tony La Russa, 77, out indefinitely with unspecified medical issue - ESPN
La Russa steps down as White Sox manager over health issues
Tony La Russa steps down as White Sox manager over heart issue - The Boston Globe
Tony La Russa steps down as White Sox manager - CBS Chicago
White Sox manager La Russa out indefinitely with health issue - NBC Sports
White Sox manager Tony La Russa steps down due to heart issue
Tony La Russa Won't Return as White Sox Manager This Season After Heart Surgery, News, Scores, Highlights, Stats, and Rumors
White Sox manager La Russa has pacemaker; return date uncertain
Hall of Famer Tony La Russa, 78, steps down as White Sox manager due to unspecified health problems
Two years into Tony La Russa experiment, it's time for White Sox to call it quits
Tony La Russa announces he won't return as White Sox manager
Chicago White Sox GM Rick Hahn on Tony La Russa's return