Article Photos: Oklahoma football: Casey Walker said absence for 'personal issues' is in the past 1/5

Fresno State University's Jalen Saunders runs past Hawaii's Kamalu Umu in the first half of an NCAA college football game Saturday, Oct. 9, 2010 in Fresno, Calif. (AP Photo/Gary Kazanjian) ORG XMIT: CAGK105