Bob Uecker, the legendary voice of the Brewers who died Thursday at the age of 90, was battling a previously undisclosed illness.

The team announced Bob Uecker died Thursday morning, calling it "one of the most difficult days in Milwaukee Brewers history."

Bob Uecker, the voice of the team on the airwaves for 54 years, a Baseball Hall of Famer and local, statewide and national icon, died Thursday.

Bob Uecker was more than just a radio voice. He was a Milwaukee icon and part of the family fabric of multiple generations of Brewers fans.

The Milwaukee Brewers say they will honor Bob Uecker at American Family Field next summer. The longtime broadcaster, who also developed a national following for his work on television and in movies, passed away this week at age 90.