The deadline for underclassmen to declare is Jan. 15, 2013.
The following underclassmen have announced they will forego their collegiate eligibility and enter the 2013 NFL Draft (by position):
QB Tyler Bray, Tennessee (QB#7, Overall #60) 
QB Kyle Padron, Eastern Washington (QB #32, Overall #526)
RB Eddie Lacy, Alabama (RB #1, Overall #43) 
RB Giovani Bernard, North Carolina (RB #2, Overall #48) 
RB Joseph Randle, Oklahoma State (RB #5, Overall #84) 
RB Marcus Lattimore, South Carolina (RB #6, Overall #88) 
RB Le'Veon Bell, Michigan State (RB #8, Overall #107) 
RB Jawan Jamison, Rutgers (RB #10, Overall #130)
RB Cierre Wood, Notre Dame (RB #20, Overall #255) 
RB Knile Davis, Arkansas (RB #25, Overall #371)
RB Spencer Ware, LSU (RB #26, Overall #382)
RB Stefphon Jefferson, Nevada (RB #27, Overall #389) 
RB Michael Ford, LSU (RB #31, Overall #416)
RB Trabis Ward, Tennessee State (RB #44, Overall #575) 
WR Keenan Allen, California (WR #1, Overall #16) 
WR Robert Woods, Southern Cal (WR#4, Overall #31) 
WR DeAndre Hopkins, Clemson (WR #5, Overall #34) 
WR Cordarrelle Patterson, Tennessee (WR #2, Overall #21) 
WR Justin Hunter, Tennessee (WR#7, Overall #47) 
WR Da'Rick Rogers, Tennessee Tech (WR #8, Overall #50) 
WR Stedman Bailey, West Virginia (WR#13, Overall #93) 
WR Kenny Stills, Oklahoma (WR #14, Overall #99) 
WR Josh Boyce, TCU (WR #22, Overall #188) 
WR Brandon Kaufman, Eastern Washington (WR #24, Overall #198) 
WR Marquess Wilson, Washington State
TE Tyler Eifert, Notre Dame (TE #1, Overall #23) 
TE Zach Ertz, Stanford (TE #2, Overall #39) 
TE Jordan Reed, Florida (TE #3, Overall #76) 
TE Dion Sims, Michigan State (TE #5, Overall #112) 
TE Gavin Escobar, San Diego State (TE #7, Overall #139) 
TE Levine Toilolo, Stanford (TE #10, Overall #196) 
OT Luke Joeckel, Texas A&M (OT #1, Overall #1) 
OT D.J. Fluker, Alabama (OT #4, Overall #28) 
OT Justin Pugh, Syracuse (OT #8, Overall #55) 
OT Chris Faulk, LSU (OT #9, Overall #67)
OT Menelik Watson, Florida State (OT #10, Overall #77)
OT David Bakhtiari, Colorado (OT #13, Overall #120) 
OG Alvin Bailey, Arkansas (OG #5, Overall #118) 
OC Travis Frederick, Wisconsin (OC #2, Overall #59) 
DE Bjoern Werner, Florida State (DE #1, Overall #2) 
DE Damontre Moore, Texas A&M (DE #2, Overall #6) 
DE Sam Montgomery, LSU (DE #3, Overall #7) 
DE Corey Lemonier, Auburn (DE #10, Overall #82) 
DE William Gholston, Michigan State (DE #13, Overall #117) 
 
DE Stansly Maponga, TCU
DE Joe Kruger, Utah (DE #17, Overall #166) 
DT Johnathan Hankins, Ohio State (DT #2, Overall #14) 
DT Sheldon Richardson, Missouri (DT #3, Overall #17) 
DT Sharrif Floyd, Florida (DT #6, Overall #38) 
DT Akeem Spence, Illinois (DT #9, Overall #90) 
DT Bennie Logan, LSU (DT # 10, Overall #101) 
DT Kwame Geathers, Georgia (DT#14, Overall #156) 
DT Brandon Moore, Texas (DT #26, Overall #329) 
DT Darrington Sentimore, Tennessee (DT #37, Overall #491) 
LB Jarvis Jones, Georgia (OLB #1, Overall #3) 
LB Barkevious Mingo, LSU (OLB #2, Overall #7) 
LB Kevin Minter, LSU (ILB #2, Overall #24) 
LB Alec Ogletree, Georgia (ILB #3, Overall #81) 
LB Jelani Jenkins, Florida (OLB #10, Overall #103) 
LB Tom Wort, Oklahoma (ILB #15, Overall #347) 
CB Dee Milliner, Alabama (CB #1, Overall #7) 
CB Xavier Rhodes, Florida State (CB #2, Overall #19)
CB Logan Ryan, Rutgers (CB #6, Overall #61) 
CB David Amerson, NC State (CB #8, Overall #83) 
CB Tharold Simon, LSU (CB #11, Overall #121) 
CB Nickell Robey, USC (CB #14, Overall #123) 
CB Tyrann Mathieu, LSU (CB #23, Overall #187) 
CB Terrence Brown, Stanford (CB #27, Overall #224)
CB Steve Williams, California (CB #34, Overall #277)
CB Mike Edwards, Hawaii (CB #44, Overall #392) 
S Matt Elam, Florida (SS #1, Overall #24) 
S Eric Reid, LSU (FS #1, Overall #33)  
S Tony Jefferson, Oklahoma (FS #4, Overall #84) 
P Brad Wing, LSU (P #1, Overall #162) 
Current Underclassmen Total: 74