Welcome to FiveKnuckles.com's blow-by-blow coverage of UFC 112: “Invincible” presented by Yahoo UFC PPV.

Tonight's card is coming to you from the Concert Arena in Abu Dahbi, UAE and features middleweight champion Anderson Silva, as he puts his middleweight title on the line against five time jiu jitsu world champion Demian Maia. In the co-main event, BJ Penn will put his lightweight title on the lne against number one contender Frankie Edgar.

As always, FiveKnuckles.com will provide free round-by-round coverage of the main card action starting at 10:00p ET. We'll also provide results for the preliminary bouts.

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UFC 112 QUICK RESULTS

Kendall Grove vs. Mark Munoz- Munoz wins by TKO (punches) at 2:50 of round 2.

Terry Etim vs. Rafael Dos Anjos- Dos Anjos wins by submission (armbar) at 4:50 of round 2.

Renzo Gracie vs. Matt Hughes- Hughes wins by TKO (punches) at 4:40 of round 3.

BJ Penn vs. Frankie Edgar- Edgar wins by unanimous decision.

Anderson Silva vs. Demian Maia

Middleweight Bout- Kendall Grove vs. Mark Munoz

Round 1: The bout begins with a touch of the gloves and Grove looking for his range with jabs. Munoz shoots and gets Grove to his back but Grove scrambles to his feet. Munoz tags him with a combo as he stands. Munoz lunges forward with a knee and Grove blasts him with an uppercut. Munoz is hurt and down as Grove lands some more shots to the head. Munoz recovers and gets free but he seems dazed. He shoots but Grove sprawls and locks on a choke. Munoz gets his head free then lands 2 nice rights. A Munoz shot lands him in a Grove guillotine and he's in trouble but gets free again. Grove locks in yet another guillotine with 10 seconds left but Munoz escapes as the horn sounds in a 10-9 round for Grove.

Round 2:  Munoz fakes a shot and lands 2 nice punches. He gets a bit careless as Grove seems stunned and Grove lands a right of his own followed by a big knee. They go to the ground and Munoz scores with some good punches as he reverses and gets top position. He's hurting Grove with some ground and pound from the guard of Grove. He postures then stands and drops a huge right that has Grove in serious trouble. Munoz pounces and starts hammering Grove with right until the referee pulls him off for the TKO win.

Final Result: Munoz wins by TKO (punches) at 2:50 of round 2.

Lightweight Bout- Terry Etim vs. Rafael Dos Anjos

Round 1:  Etim starts with an inside leg kick then gos for a high kick that only grazes Dos Anjos. Dos Anjos shoots and Etim wraps up a guillotine with a body triangle. Dos Anjos seems to have enough room to breathe so he waits it out then stands and gains top position where he drives some vicious knees to Etim's body. Referee Mark Goddard stops the fight saying that the knees landed on Etim's spine but the fight continues. Dos Anjos attempts a takedown but ends up on his back, pulling guard on Etim. Etim is looking to pass but Dos Anjos is...