Ranked fighters in action this week:

HEAVYWEIGHT:

Ruslan Chagaev (10) vs Francesco Pianeta (U)

WELTERWEIGHT:

Keith Thurman (4) vs Luis Collazo (U)

SUPER-LIGHTWEIGHT:

Mauricio Herrera (4) vs Hank Lundy (U)

SUPER-FEATHERWEIGHT:

Miguel Roman (7) vs David Martinez (U)

SUPER-BANTAMWEIGHT:

Andres Gutierrez (9) vs Jhon Gemino (U)

LIGHT-FLYWEIGHT:

Donnie Nietes (1) vs Francisco Rodriguez Jr (6)