"The entire Atlanta Braves organization has Hank in our thoughts and prayers, and [wishes] him a complete and speedy recovery," Braves president John Schuerholz said.
Aaron celebrated his 80th birthday on Feb. 5. The Braves are planning to honor the legendary slugger during their home opener on April 8, which will be the 40th anniversary of the day he hit his historic 715th home run and became baseball's home-run king.
Mark Bowman is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.