The NFL combine has begun for two Frogs, LS Clint Gresham (the only LS at the combine) and OT Marshall Newhouse (projected by most as an OG). So far they have just been measured but you can follow their progression as well as Hughes' and Washington's at the NFL Combine's website. You can also watch it live here.
Marshall Newhouse OT: 6'4 319lbs, arm length: 34 inches, hand size: 10.25 inches
Clint Gresham LS: 6'3 236 lbs arm length: 31.5 inches, hand size: 9 inches