Mike Tyson boxed Evander Holyfield in the nineties.
Attempting to regain the titles , Tyson defeated Donovan Ruddock twice in 1991 , but pulled out of a fight with then-undisputed heavyweight champion Evander Holyfield -LRB- who had defeated Douglas later in 1990 -RRB- due to a rib injury .	undisputed	undisputed champion	heavyweight	heavyweight	Donovan Ruddock	Donovan Ruddock	Evander Holyfield	Evander Holyfield
