NFL Connections #78, Answers
The full solution: all four groups and the 16 names, sorted from the easiest group to the trickiest.
Seattle Seahawks
Russell Wilson, Marshawn Lynch, Bobby Wagner, Steve Largent
San Francisco 49ers
Joe Montana, Jerry Rice, Steve Young, Patrick Willis
Los Angeles Rams
Aaron Donald, Eric Dickerson, Marshall Faulk, Jackie Slater
Arizona Cardinals
Larry Fitzgerald, Kurt Warner, Aeneas Williams, Patrick Peterson