The Patriots agreed to terms with first-round pick Nate Solder Thursday on a four-year contract, according to a league source.

It’s believed that anywhere from four to five offensive tackles could be first-round picks in April’s draft. One who seems to be gaining momentum and generating early buzz at the NFL Scouting Combine is Colorado’s Nate Solder.

Colorado offensive tackle Nate Solder works out in the Indianapolis Convention Center on Wednesday.

In his latest position review for the 2011 Scouting Combine, NFL.com analyst Bucky Brooks unveiled his breakdown of the top five tackles and top five centers/guards scouts will be watching in Indianapolis.