Updated.
Note: There have been some reports that haven't specified whether they are a private workout or an official visit. I've listed those as either/ors.
Patriots Draft Contacts
OV - Official Visit
PW- Private Workout
CI - Combine Interview
SB - Senior Bowl Contact
U - Unofficial
PD - Possible Pro Day contact
QB
Kevin Hogan, Stanford - SB
Jake Rudock, Michigan - PW
RB
Glenn Gronkowski, Kansas State - SB, CI
Dan Vitale, Northwestern - CI, PD (Caserio)
Alex Collins, Arkansas - CI
Jordan Howard, Indiana - CI
Kelvin Taylor, Florida - CI
Tyler Ervin, San Jose - PW
Chris Swain, Navy - U (Reiss reports we have 'met' with Swain multiple times)
Brandon Wilds, S. Carolina - U (Pauline reports we have 'met' with him)
CJ Prosise, Notre Dame - PD (Ivan Fears)
Daniel Lasco, California - PW
Devontae Booker, Utah - OV
Jonathan Williams, Arkansas - CI, OV
Kenneth Dixon, La. Tech - OV
WR
Leonte Caroo, Rutgers - CI
Pharoh Cooper, S Carolina - CI, OV
Jalin Marshall, Ohio State - CI
Keyarris Garrett, Tulsa - OV
Byron Marshall, Oregon - PW
Michael Thomas, Ohio State - PW
Chris Moore, Cincinnati - PD (Caserio)
Mekale McKay, Cincinnati - PD (Caserio)
Johnny Holton, Cincinnati - PD (Caserio)
Kolby Listenbee, TCU - OV
Devin Fuller, UCLA - PW
Demarcus Ayers, Houston - PW
Cody Core, Ole Miss - PW
Tyler Boyd, Pittsburgh - PW
Amir Carlisle, Notre Dame - PW
Leonte Carroo, Rutgers - OV
Marquez North, Tennessee - PW
Malcolm Mitchell, Georgia - OV
Keenan Reynolds, Navy - PW (BB plus others)
Alonzo Russell, Toledo - PW
Jay Lee, Baylor - PW
Moritz Boehringer, Germany - PW
Devin Lucien, Arizona State - PW
Roger Lewis, Bowling Green - OV or PW
TE
David Morgan III, Texas-San Antonio - PW
Stephen Anderson, California - PW
Ben Brauenecker, Harvard - PW
Bryce Williams, E Carolina - PW, OV
Nick Vannett - OV or PW
OL
Cole Toner, Harvard - U, PD
Kyle Murphy, Stanford - SB, U
Joe Haeg, N Dakota State - SB
Jerald Hawkins, LSU - CI, PD (Dante)
Brandon Shell, S Carolina - CI
Vadal Alexander, LSU - PD (Dante)
Damian Love, Alabama State - PW
Torian White, Hampton - U (Reported interest)
Evan Boehm, Missouri - PD (Dante)
Connor McGovern, Missouri - PD (Dante)
John Theus, Georgia - PD
Spencer Drango, Baylor - U (Unclear what the contact is)
Landon Turner, PD (Dante)
David Hedelin, Purdue - PW (Dante?)
Joe Dahl, Washington St., PW
Shon Coleman, Auburn - OV
Clay DeBord, EWU - PW or OV
DL
Chris Jones, Miss St. - CI
Jonathan Bullard, Florida - CI, PW or OV
Austin Johnson, Penn State - CI
Jihad Ward, Illinois - CI
Hassan Ridgeway, Texas - CI
Sterling Bailey, Georgia - PD (Belichick, Patricia)
Willie Henry, Michigan - PD (DL Coach?)
Vernon Butler, La Tech - PW
Bronson Kafusi, BYU - PW or OV
Pat McNeil, Middle Tenessee - PW
LB
Kentrell Brothers, Missouri - SB
Jordan Jenkins, Georgia - CI, PW or OV
Kamalei Correa, Boise St. - CI
Dadi Nicholas, Virginia Tech - CI, PW (DL coach)
Yannick Ngakoue, Maryland - CI
Alex McCalister, Florida - CI
Su'a Cravens, USC - CI
CJ Johnson, Ole Miss - CI
De'Vondre Cambell, Minnesota - PD
Theirin ****ran, Minnesota - PD
Dillon Lee, Alabama - PD(Belichick)
Reggie Ragland, Alabama - PD (Belichick)
Stephen Weatherly, Vanderbilt - PD (Caserio)?
Desmond Morgan, Michigan - PD
Steven Daniels, Boston College - OV
Shaq Petteway, WVU - PW
CB
Will Redmond, Mississippi State - CI
Xavien Howard, Baylor - CI
DJ White, Georgia Tech - CI
James Bradberry, Samford - CI
Blake Countess, Auburn - PD
Ryan Smith, N. Carolina State - PW
Cyrus Jones, Alabama - PD (Belichick?), PW
Sean Davis, Maryland - PW (Belichick)
Kalan Reed, S. Miss - PW (Caserio)
Taveze Calhoun, Miss St. - OV
S
Deon Bush, Miami
Miles Killebrew, S. Utah - PW or OV
Elijah Shumate, Notre Dame - OV
DJ Hunter, Marshall - PW
Kevin Byard, Middle Tennessee St. - PW
Justin Simmons, Boston College - OV
Specialist
That's as up to date as I can make it.