In 1982, Adams was a second-team All-American selection by the UPI and was named Mid-American Conference "Offensive Player of the Year". He was first in team all-MAC selection three straight years. Curtis gained 1,090, 1,431, and 1,204 yards in his final three seasons at Central Michigan. At Central Michigan, Adams set set multiple school records:
most net yards gained rushing in a single game (238)
most rushing touchdowns in a single game
longest run from scrimmage (87)
career rushing yards (4,126) (third most in MAC history)
Drafted in the eighth round of the 1985 NFL Draft by the San Diego Chargers, Curtis played four seasons in the NFL totaling 907 yards and seven touchdowns rushing and 76 yards on nine receptions. His best game in the NFL came on a nationally televised Thursday night game on November 20, 1986 against the Los Angeles Raiders. Although the Chargers lost, Curtis rushed 26 times for 93 yards and three touchdowns.