Sanchez Out; Koscheck Steps in to Face Alves at UFC 90

Thomas Gerbasi, UFC - Welterweight contender Diego Sanchez has been forced to withdraw from his UFC 90 bout against Thiago Alves due to torn rib cartilage, but the October 25th co-feature bout is not lost, as standout 170-pounder Josh Koscheck has stepped up to face Brazil's "Pitbull" in an equally intriguing welterweight matchup.