Mock thoughts: Martin & Perry

Rob Rang of CBSSports.com produces his latest mock draft and he splits the Patriots' top picks between offense and defense.

At No. 27, Rang slots Stanford offensive tackle Jonathan Martin to the club.

"The Patriots are in good position to handle the expected retirement of Pro Bowler Matt Light at left tackle because they drafted his likely replacement -- Nate Solder -- in the first round a year ago," Rang writes. "Martin, who protected Andrew Luck's blindside his entire career, may lack the athleticism to remain at left tackle in the NFL but could switch sides and handle the heavy pass-blocking responsibilities that would come in blocking for the Patriots."

Then at No. 31, it's USC defensive end Nick Perry.

"Some teams are hesitant to grade Perry as a first-round prospect due to the fact that he elected to leave USC after just one highly productive season," Rang writes. "He led the Pac-12 with 9.5 sacks in a breakout junior campaign. There are scouts who do believe he's just scratching the surface of his potential and others who like him best as a defensive end rather than an outside linebacker in the 3-4. For Patriots coach Bill Belichick, Perry would likely be asked to play both positions.

To read the mock draft, CLICK HERE.

ANALYSIS: If the Patriots went with Martin, it would be tied to concerns with Sebastian Vollmer's back injury. Vollmer was a 2010 second-team All-Pro at right tackle, so it's hard to imagine the Patriots looking to replace him unless the injury that nagged him throughout 2011 was a concern. Marcus Cannon, the 2011 fifth-r0und pick, is also in the pipeline at tackle. Perry is viewed as one of the top pass rushers in the draft, and is considered more of a 4-3 defensive end than a 3-4 outside linebacker. He's fast for his size (6-3, 270) and a potential difference-maker in the front seven, which is needed.