Strikeforce finally made it official Tuesday evening: UFC veteran Dan Henderson will make his debut in the promotion against middleweight champion Jake Shields on April 17 at the Bridgestone Arena in Nashville.

Also on the card, to be televised live on CBS beginning at 9 p.m.: Gegard Mousasi defends his light heavyweight title against Muhammed "King Mo" Lawal, and lightweight champ Gilbert Melendez puts his belt on the line against Shinya Aoki. (You may remember Aoki from this New Year's Eve incident.)

Henderson's Strikeforce debut will be interesting to see. He's easily the most experienced big-fight fighter in the promotion (sorry, Fedor) and the most well-known to American fight fans. Most people may be expecting him to just run over everyone in his way. Not so fast. Shields (24-4-1) is a pretty solid fighter. He submitted rising UFC welterweight Paul "Semtex" Daley in an EliteXC bout in October 2008.

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His Brazilian Jiu-Jitsu style matched against the all-world wrestling skills of Henderson will likely produce a stand-up battle, at least to start, and it's hard to argue against Henderson's striking ability.

Of course, the gaping hole in this card is the lack of Fedor Emelianenko vs. Fabrico Werdum. That's supposed to happen in May, maybe.