NFL Connections #53, Answers
The full solution: all four groups and the 16 names, sorted from the easiest group to the trickiest.
Offensive Rookie of the Year (RB)
Eddie George, Edgerrin James, Alvin Kamara, Saquon Barkley
Offensive Rookie of the Year (QB)
Cam Newton, Robert Griffin III, Dak Prescott, C.J. Stroud
Offensive Rookie of the Year (WR)
Anquan Boldin, Odell Beckham Jr., Ja'Marr Chase, Garrett Wilson
Defensive Rookie of the Year
Ndamukong Suh, Von Miller, Aaron Donald, Micah Parsons