In his top season of 1970, he threw for 1,236 yards on 64-for-118 accuracy with 11 touchdown passes, and added 479 rushing yards on 89 carries, while earning All-CCAA Team and CCAA Back of the Year award honors[2][3] and leading Cal Poly to an 8-2 record.

During the preseason of 1972, Milan threw a 5-yard touchdown pass to Mike Siani in the Raiders' 34-9 exhibition win over the Rams.

[6] On September 10, 1974, the Raiders cut Milan and in October the Los Angeles Rams signed him to be their number three quarterback.

The Rams had traded John Hadl to Green Bay elevating James Harris to starter and number three quarterback Ron Jaworski to the backup position.

Milan didn't clear waivers, the Packers signed him to backup Hadl in Green Bay.