Cris Cyborg Justino rolled over Marloes Coenen to become the first Invicta FC featherweight champion and reclaimed the top women's ranking from UFC champ Ronda Rousey.
Chris Weidman did what many thought would never happen, he upset longtime UFC middleweight champion Anderson Silva. The victory propelled Weidman to the No. 1 middleweight ranking.
Stipe Miocic cracked the World MMA Rankings heavyweight division in the latest update with an impressive victory over Roy Nelson.
With a win over his idol, Fabricio Werdum continues to inch further up the heavyweight World MMA Rankings.
TJ Grant took a major leap up the lightweight rankings after knocking out Gray Maynard in the first round of their bout at UFC 160.
Former Strikeforce champion Ronaldo "Jacare" Souza made a bold move in the middleweight rankings with an emphatic Octagon debut at UFC on FX 8.
Daniel Cormier has yet to crack the top spot in the World MMA Top 10 Rankings in the heavyweight division, but certainly has cemented his position amongst the top three.
The return of Cris Cyborg and the arrival of Cat Zingano shake up the upper echelon of the women's pound-for-pound rankings.
The updated MMAWeekly.com World MMA Rankings were released on Tuesday, March 26.
"Bigg Rigg" has cracked the Y! Sports pound-for-pound list, and has a chance to jump up further later this year against GSP.
Georges St-Pierre settled the score with Nick Diaz recently, maintaining his stranglehold on the welterweight World MMA Top 10 Rankings.
Ronda Rousey continued her streak of first-round armbar victories, cementing her spot as the top women's pound-for-pound fighter in the World MMA Rankings.
With their impressive victories at UFC on Fox 6, Ricardo Lamas and Anthony Pettis are beating down the doors to the top of their respective divisions.
With his thunderous head-kick knockout of Michael Bisping, Vitor Belfort reclaimed the No. 2 spot in the middleweight division ruled by Anderson Silva.
Daniel Cormier recently cemented his position among the best of the best in the heavyweight division, as he now prepares to make the jump to the UFC's Octagon.