Police Sgt. Greg Lyon said one suspect was in custody Monday night.
“We do anticipate additional arrests and will release all of that information when doing so will not hinder the investigation,” Lyon told The Atlanta Journal-Constitution.
Police did not immediately release the name of the suspect or other details.
The crime happened while the 79-year-old Aaron and his wife were away from home in July. A neighbor saw a broken window, and officers arrived to find two BMWs missing from the garage and closets ransacked. Jewelry and car keys were the only other items taken.
A Mobile, Ala., native, Aaron played from 1954 to 1976 for Milwaukee and Atlanta.
As an Atlanta Brave, Aaron broke Babe Ruth’s record of 714 career home runs on April 8, 1974. His home run record of 755 home runs stood for nearly three decades.