[2] As a junior, Seal started all 12 games at tight end for the 1972 Michigan Wolverines football team that compiled a 10-1 record, outscored opponents 264-57, and finished the season ranked #6 in the final AP Poll.

[1] Seal was also the top draft pick of the Detroit Wheels of the World Football League, but he opted to sign with the Saints in April 1974.

[1] In early September 1977, the Saints traded Seal to the San Francisco 49ers in exchange for offensive lineman John Watson.

[8] Seal played for the 49ers for three seasons from 1977 to 1979, appearing in 43 games, nine as a starter, and totaled 37 receptions for 634 receiving yards and three touchdowns.

[1] Seal's longest reception of his NFL career came on a 47-yard touchdown bomb from Jim Plunkett in December 1977 against the Dallas Cowboys.