NFL Connections #116, Answers
The full solution: all four groups and the 16 names, sorted from the easiest group to the trickiest.
Giants quarterbacks
Eli Manning, Phil Simms, Y.A. Tittle, Daniel Jones
Giants running backs
Tiki Barber, Frank Gifford, Brandon Jacobs, Rodney Hampton
Giants pass catchers
Odell Beckham Jr., Amani Toomer, Plaxico Burress, Mark Bavaro
Giants defensive legends
Lawrence Taylor, Michael Strahan, Harry Carson, Justin Tuck