Article Photos: Oklahoma football notebook: Hornets' Dominique Alexander switches commit to OU

File photo - OU fan Chad Perry, a junior from Lawton, flashes the Hook ' em Horns sign as Texas players come onto the field at the OU-Texas game in the Cotton Bow in 2003. Staff photo by Jim Beckel

File photo - OU fan Chad Perry, a junior from Lawton, flashes the Hook ' em Horns sign as Texas players come onto the field at the OU-Texas game in the Cotton Bow in 2003. Staff photo by Jim Beckel