Ohio State 2005 record 10-2 , 7-1 Big Ten COACH : Jim Tressel -LRB- 6th year , 50-13 -RRB- STARS : QB Troy Smith , WR Ted Ginn Jr. and RB Antonio Pittman KEY GAME : at Texas , Sept. 9 IN SHORT -- Ohio State is a popular pick to contend for the national title , but the Buckeyes have questions marks on defense .