He was the son of Rose and Anton Momsen, Sr.[1] He attended Toledo's Libbey High School where he was a star athlete in football, basketball and track.

In announcing the selection, the AP quoted an Ohio coach who said, "Momsen was one of the finest linebackers I have ever seen.

With 47 seconds remaining in the first half, Tony Momsen blocked a Janowicz punt and fell on the ball in the end zone for a touchdown.

"[13] Bob Momsen later recalled, "Two brothers got more publicity for playing in a terrible football game than anyone ever deserves.

He signed with the Rams in July 1951,[16] but was traded to the Pittsburgh Steelers before the 1951 NFL season started.

[19] After retiring from football, Momsen worked as a cement contractor and built customized golf clubs.

[1] In March 1994, he died at Riverside Methodist Hospital in Columbus, Ohio, due to complications following hip replacement surgery.