With six of SI.com's 10 best mixed martial artists in action this April, it's no wonder the latest divisional and pound-for-pound rankings underwent their own springtime renewal.
While heavyweight and welterweight carried over intact from March, change was the buzzword in every other division, highlighted by big shifts at middleweight, lightweight, featherweight and the always fun pound-for-pound list.
Stunning upsets. One-sided beatings. Curious efforts. April wasn't boring.
Lightweight carries a new No. 1 after
While middleweight king
At light heavyweight,
For as much as April shook up the divisionals, it's the pound-for-pound space where things really moved.
After yet another uneven performance, Anderson Silva was dropped from his longtime No. 1 perch to third. The best mixed martial artist in the world cannot fight the way Silva did against
Penn's loss to Edgar, as close as it was, knocked him from the stratosphere of the GSP-Fedor-Silva group. In his place is Aldo; it may not be long before the Brazilian skips past everyone to claim the top spot.
Henderson and the admittedly overvalued Aoki have been replaced by Edgar and welterweight