He played college football at the University of Cincinnati and was selected in the third round of the 1965 NFL draft.
On September 26, 1971, in the first Eagles game at the newly opened Veterans Stadium, Nelson scored a fourth quarter touchdown on a then-record 102-yard return of a missed field goal by Dallas Cowboys kicker Mike Clark.
In the previous off-season, the league had allowed missed field goals kicked into the end zone to be returned.
He is also a member of the Beta Eta chapter of Kappa Alpha Psi fraternity.
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