Bob Przybylo writes: Oklahoma defensive end commitment Chaz Nelson has come a long ways since high school. But the work he put in to improve has him on track to compete for the Sooners in 2012.

Brandon Chatmon writes: Nelson could contribute immediately.

Przybylo writes: California receiver Derrick Woods is the Sooners’ 16th commitment for the class of 2012.

Przybylo writes: Arizona commit Kyle Kelly is visiting Oklahoma next weekend.

Przybylo : Q&A with 2013 in-state linebacker T.J. Ponds.