The biggest fight in New Zealand history: David Tua surprised many with a rather svelte weigh-in for his heavyweight clash with Shane Cameron. (Photo via www.odt.co.nz)

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Tarvis Simms struggled a bit, but a hallway jump-rope session got him down to the agreed-upon weight limit for his Shobox main event tonight in Oklahoma against Allan Green (28-1, 20 KO). Simms (25-0, 11 KO) was a late replacement for Victor Oganov in the fight, and he and Green agreed on a weight limit of 168.8 pounds, just north of the super middleweight limit of 168. Green came in at 167.6, and after missing the mark at first, Simms made it down to 168.8 on a second try. The biggest issue for Simms might come from the fact that he'll have a huge height disadvantage, as the 6'1" Green will tower over 5'9", 38-year old Simms.

Also on the Shobox card:

Welterweights: Antwone Smith 147.6, Henry Crawford 146.4

Super Middleweights: Marcus Johnson 168.8, Victor Villereal 166.2

Leading into the biggest fight in the history of New Zealand, heavyweights David Tua and Shane Cameron hit the scales, with Cameron coming in at 228 pounds, and Tua surprising a lot of folks with a rather slim weigh-in of 237. Tua (49-3-1, 42 KO) turns 37 in November, and this is likely going to be his final run. He hasn't fought since 2007, when he had a nice three-fight run with wins over tough journeyman Robert Hawkins (UD-10), Saul Montana (KO-1) and Cerrone Fox (TKO-2). Tua-Montana, as an aside, was the first fight to which I was ever offered credentials, but I held back the urge to go to exciting Salt Lake City to watch Tua predictably wipe him out.

Cameron (23-1, 20 KO) might be heading to a similar fate. I don't say this to be a jerk or downplay his ability, but David Tua has been around the world and was a world title-level contender, just a massive puncher. Cameron isn't the first guy to have a big height advantage against Tua, nor is he the guy with the biggest height advantage against Tua, and Cameron has fought in New Zealand his entire career for a reason. The most notable name on his hit list is Terry Smith, who was never all that great and was shot by the time Cameron got him in August '08, having lost his last three fights in a row. I'm kind of guessing Tua turns out the lights by round five in this one. The fight is available via stream from Seconds Out for about $13 American.