NFL Connections #7, Answers
The full solution: all four groups and the 16 names, sorted from the easiest group to the trickiest.
Played at Alabama
Julio Jones, Derrick Henry, Mark Ingram, DeVonta Smith
Played at Ohio State
Ezekiel Elliott, Joey Bosa, Marshon Lattimore, Chase Young
Played at LSU
Justin Jefferson, Ja'Marr Chase, Odell Beckham Jr., Patrick Peterson
Played at Clemson
Trevor Lawrence, Deshaun Watson, DeAndre Hopkins, Travis Etienne