Former Detroit Tigers catcher Bill Freehan one of many ex-athletes feeling the long-term effects of concussions

Bill Freehan: A Legend and His Legacy - University of Michigan Athletics

Top 50 athletes in Michigan by Amanda Reiter - Issuu

Remembering Bill Freehan, the Thinking Man's Catcher (1941–2021)

Obituary: Bill Freehan (1941-2021) – RIP Baseball

Where does Jorge Posada rank among all time catchers? - Quora

Do baseball catchers have to be slow? - Quora

Remembering Bill Freehan, the Thinking Man's Catcher (1941–2021)

Elliott: 2016 Most Influential Canadians in Baseball — Canadian Baseball Network

Baseball Happenings: Detroit Tigers

A Muffin Can Be Very Filling

MORE