Wayback Machine: Top 40 Seahawks moments - Sportspress Northwest
80 Seahawks | | union-bulletin.com
Efren Herrera — The Amazing Blaze Zine
NFL Legends Show: Former Cowboys and Seahawks Pro Bowl Kicker Efren Herrera - The Grueling Truth
Auction Prices Realized Football Cards 1981 Topps Efren Herrera
Top Latino Kickers in NFL History
Efren Herrera Autographed 1981 Topps Card #469 Seattle Seahawks Beckett BAS #11317585 - Mill Creek Sports
Efren Herrera, Seattle Seahawks, Signed, Autographed, 8X10, Photo, a COA with the Proof Photo of Efren Signing Will Be Included. at Amazon's Sports Collectibles Store