ESPN.com's division-by-division boxing rankings

Ryota Murata, right, defeated Emanuele Blandamura by TKO to retain his middleweight belt. Koji Sasahara/AP

Check out my rankings within each division by clicking on the links below. If there is a lineal champion in a weight class, he is ranked No. 1.

For a list of the current champions in all weight classes, click here.

Note: Results through April 17.