McShay, Kiper update draft boards

ESPN draft gurus Mel Kiper and Todd McShay continue to pack their NFL draft boards with Pac-12 players.

McShay includes seven players in his top 32:

1. Stanford QB Andrew Luck

2. USC OT Matt Kalil

7. Stanford OT Jonathan Martin

11. Arizona State LB Vontaze Burfict

16. Washington DT Alameda Ta'amu

18. USC QB Matt Barkley

20. Stanford OG David DeCastro.

McShay boosted Barkley four spots from No. 22 and DeCastro is up six from 26.

Kiper has five Pac-12 players on his 25-man "Big Board."

1. Luck

2. Kalil

6. Martin

10. Barkley

15. Burfict.