Grayson's Obi signs with Arizona Cardinals

Grayson grad Conrad Obi, who played college football at Colorado, has signed a rookie free-agent contract with the NFL's Arizona Cardinals.

The 6-foot-3, 290-pound defensive lineman appeared in 41 career games, including all 25 over the past two seasons. After playing just 99 snaps on defense in his first three years, he was on the field for 381 snaps on defense and made seven starts as a senior. Obi totaled 36 tackles during his four seasons with the Buffaloes, including a career-high 31 tackles, three pass break-ups, one tackle for loss and one fumble recovery in 2011.