Solly Seeman was the 1920 AAU National Featherweight Amateur Champion.
He was a legitimate contender for the Lightweight Champion of the World during March and April 1925, when he won the first two rounds of the NYSAC World Lightweight Elimination tournament.
Ring Magazine rated him fifth among World Lightweight Contenders in 1925.
Seeman took the Pacific Coast Lightweight Championship in 1922, and the Pacific Coast Jr.