That team had a lot of NFL talent on it

There was a good amount of NFL talent on that team, and especially ones with staying power.

It was around that era that they were producing NFL linemen on a regular basis, and very good ones, too, if you include Ron Stone from the year before.

Just the ones who were drafted (not including the free agents):

QB Glenn Foley: 7R, played in the NFL for 6 years

QB Matt Hasselbeck: 6R, played in the NFL for 18 years

TE Pete Mitchell: 4R, played in the NFL for 9 years

G Pete Kendall: 1R, played in the NFL for 13 years

C Tom Nalen: 7R, played in the NFL for 14 years, 5 time Pro Bowl

LB Steve Boyd: 5R, played in the NFL for 7 years

LB Mike Reed: 7R, played in the NFL for 3 years

DE Mike Mamula: 1R, played in the NFL for 6 years

DE Chris Sullivan: 4R, played in the NFL for 6 years