NFL Connections #112, Answers
The full solution: all four groups and the 16 names, sorted from the easiest group to the trickiest.
Ravens quarterbacks
Lamar Jackson, Joe Flacco, Trent Dilfer, Steve McNair
Ravens running backs
Jamal Lewis, Derrick Henry, J.K. Dobbins, Mark Ingram
Ravens pass catchers
Todd Heap, Mark Andrews, Zay Flowers, Derrick Mason
Ravens defensive legends
Ray Lewis, Ed Reed, Terrell Suggs, Haloti Ngata