Ruben Olivares vs. Art Hafey (1st meeting)

Ruben Olivares 126 lbs lost to Art Hafey 124 lbs by KO at 2:08 in round 5 of 10

• Date: 1973-09-15
• Location: Plaza de Toros Monumental, Monterrey, Nuevo León, Mexico

"Underdog Art Hafey of New Glasgow, Canada, scored a sensational 5th round knockout over former world bantamweight champion Ruben Olivares of Mexico, in Monterey Saturday night. The unranked Hafey floored Olivares in the 3rd and 4th rounds and then knocked him out with a combination right-left in the 5th. Both fighters weighed 126 1/2." -Associated Press

• Forum promoter Don Fraser stated the following day that he would seek to make a return match in Inglewood in November. However, the rematch eventually took place in the Forum the following March.