"[2] Curtis started eight games at safety and one at cornerback for the 1967 Michigan Wolverines football team.

[3] On November 11, 1967, Curtis had three interceptions against Illinois, which remains tied for Michigan's single game record.

[4][5] During the 1967 season (his first as a defensive back), Curtis totaled seven interceptions to tie the Big Ten Conference record.

[8] As a senior, Curtis started all 11 games at safety for the 1969 team that was the first to be coached by Bo Schembechler.

[6] Two of his interceptions came in the Michigan's victory in the 1969 Ohio State game, regarded as one of the biggest upsets in college football history.

)[4] His career total of 431 return yards off interceptions also broke the NCAA record set by Lynn Chandnois in the 1940s.

[6][10] At the end of the 2010 college football season, Curtis was tied for fourth place in career interceptions in NCAA Division I-A/FBS history.

He noted that his ability to think like a quarterback and read formations helped make him successful as a defensive back.

[15] In August 1972, Curtis was traded to the Los Angeles Rams for a future draft pick.