Matthysse (139 lbs.) vs. Provodnikov (139.5)

PHOTO: Ed Mulholland/HBO

Official weights are in for tomorrow night Jr. welterweight clash between Argentinian slugger Lucas Matthysse (139) and  hard-hitting Russian Ruslan Provodnikov (139.5).

The two step into the ring on Saturday night at the Turning Stone Resort in New York and by all accounts it is expected to be a firefight for however long it last. HBO will broadcast live!