NFL Connections #14, Answers
The full solution: all four groups and the 16 names, sorted from the easiest group to the trickiest.
Star tight ends
Travis Kelce, George Kittle, Mark Andrews, T.J. Hockenson
Hall of Fame tight ends
Tony Gonzalez, Shannon Sharpe, Kellen Winslow, Mike Ditka
Greatest kickers
Adam Vinatieri, Justin Tucker, Morten Andersen, Gary Anderson
Star fullbacks
Larry Csonka, Mike Alstott, Daryl Johnston, Kyle Juszczyk