No. 2: Bob Brown
Cleveland, Ohio native Bob Brown also got his professional career underway prior to the NFL/AFL merger. In fact, he was a first-round pick in both the NFL and AFL in 1964. He would sign with the NFL's Philadelphia Eagles that year.
Brown made an instant impact earning second-team All-Pro recognition. He was also named to the All-Rookie team.
In 1969, he asked for a trade and was sent to the Los Angeles Rams. Brown was then traded to the Oakland Raiders in 1971.
Brown was a five-time first-team All-Pro (1965, 1966, 1968-1970). He was also a four-time second-team All-Pro (1964, 1967, 1971, 1972).
A member of the 1960s All-Decade team, he's in the Eagles' Hall of Fame. Of course, his No. 64 is retired by the Cornhuskers as well.
In all, Brown played in 126 career games. He's a member of both the College Football and Pro Football Hall of Fame.