Knapp, Stassi's dads on debuts
Phillies @ RedsApril 6, 2017 | 00:03:37
Mike Knapp and Jim Stassi, fathers of Andrew Knapp and Brock Stassi, talk about watching their sons make their Major League debuts
Mike Knapp and Jim Stassi, fathers of Andrew Knapp and Brock Stassi, talk about watching their sons make their Major League debuts