KEY POINTS:
Evander Holyfield, 44, will look to defend an unbeaten heavyweight boxing record since coming out of retirement when he fights Vinny Maddalone on March 17.
The former champion has won both fights since returning from a two-year layoff, improving to 40-8 with two draws.
In his first comeback fight he KO'd Jeremy Bates in Dallas in August. In November, Holyfield won a decision over Frez Oquindo in San Antonio.
