Set for February 28 from Los Angeles and the Staples Center, the card currently boasts a pair of title fights. Chris Weidman defends middleweight championship against Vitor Belfort, while Ronda Rousey meets Cat Zingano for the female bantamweight belt.
Koscheck (17-8) has gone 15-8 overall in 23 UFC appearances, but has lost his last three. He competed a year ago, losing via knockout to Tyron Woodley after also being finished by Robbie Lawler in 2013 and losing a split decision to current champion Johny Hendricks in 2012.
Magny (13-3) won five fights in 2014, finishing William Macario this past October. He also earned wins over Alex Garcia, Rodrigo de Lima, Tim Means and Gasan Umalatov after dropping two in a row.