Size matters in the NFL, especially along the offensive and defensive lines. And in a game of inches, it's in these position groups where that maxim is true.

If the New England Patriots want to draft a left tackle with the fourth overall pick in the NFL Draft, they might feel a little better about Will Campbell after his Pro Day at LSU.

The NFL Draft is the one event each year that introduces fans to the next influx of talent coming from the college ranks to the pros. To get there, we have several all-star events and the Scouting Combine. The combine is where players get examined by doctors and measured to find out if they meet the NFL's thresholds and expectations.