A 6-8 center from Springfield Gardens, New York, Irvin Kiffin joined the Bison for the second semester of the 1972-73 season. At that point the Bison had a record of 3-7, but with Kiffin in the lineup, OBU won 17 of the next 21, captured the NAIA District 9 championship, and reached the Elite Eight in the NAIA National Tournament.

Kiffin averaged 18.5 points that season; 19.4 points in 1973-74 when OBU was district runner-up; and 17.0 in 1974-75.

He scored 1,458 points in two and one-half seasons, good for eighth place in career scoring. He ranks third in career field goals made and field goals attempted with 631 and 1,373, respectively. He has the second-most career rebounds, 828, and the second-highest career rebound average, 10.4. Kiffin also has the fifth-highest season rebound average, 12.6.

A career 77.5 percent free throw shooter, Kiffin led the team in scoring for all three of his years. He made second-team all conference in 1973 and first-team in 1974 and was an All-District 9 first-team selection in 1973, 1974, and 1975. He received honorable mention NAIA All-America recognition in 1973.

After graduating from OBU, Kiffin played with the Athletes in Action from 1975-79, becoming the program's all-time leading scorer and rebounder at that time.

In 1979 he signed with the Los Angeles Lakers but before playing was traded to the San Antonio Spurs where he played in 26 games. From 1980-83 he played professionally in Italy and France.

Kiffin lives in Florida and is director of parks and leisure services in Fort Lauderdale.