Washington State quarterback Timm Rosenbach, the nation's top-ranked passer last season, announced Friday that he will forgo his final season of college eligibility to enter the NFL draft.

Rosenbach said he's been evaluating his future since the Cougars capped a 9-3 season, their best in 57 years, with an Aloha Bowl victory over Houston.Rosenbach, who would have been a fifth-year senior this fall, led the nation in passing efficiency last season. He passed for 3,097 yards and 24 touchdowns, both school records, and his 3,155 yards of total offense broke John Elway's Pacific-10 Conference record.

He said his decision to turn pro was unrelated to Coach Dennis Erickson's interviewing for the head coaching job at the University of Miami.