Jackie Slater Jackie Ray Slater ( born May 27 , 1954 , in Jackson , Mississippi ) is a retired NFL offensive tackle who played his entire 20 - year career with the Rams organization , playing 19 seasons for the Rams in Los Angeles ( 1976 – 1994 ) and one season for the Rams in St . Louis in 1995 . Biography . College . Slater attended Jackson State University . Slater was a letterman in football and was selected to the Southwestern Athletic Conference All - Star Game three times , and as a senior , he was a First - team All – Black America selection , and was named an All - American selection by the Pittsburgh Courier . After his senior season , he was invited to participate in the College All - Star Game . NFL career . Slater played in 259 games from 1976 to 1995 , a then - record for offensive lineman ( broken by Bruce Matthews in the 1999 season ) . He was the first player to play 20 seasons for one team , and former Washington Redskins cornerback Darrell Green is the only other one to accomplish the feat . Much like Ed " Too Tall " Jones was with the Dallas Cowboys , Slater was unique in " bridging gaps " with different eras in the franchise . Slater was teammates with Merlin Olsen and Jack Youngblood earlier in his career and Jerome Bettis and Isaac Bruce at the end of his career . Although used primarily as a backup and special teams player during his first three seasons , Slater became a starter in 1979 and that season the Rams went to Super Bowl XIV . In 1980 he was a part of an offensive line that surrendered just 29 sacks and helped the Rams ’ offense finish second in the NFL in total yards gained with 6 , 006 . In 1983 , he and the Rams offensive line demonstrated their versatility when they allowed a league - low 23 sacks while also paving the way for Dickerson ’ s rookie rushing record of 1 , 808 yards . He appeared in the 1985 team promotional video " Ram It " as " Big Bad Jackie " . He started the lead verse , where he admitted that although the team could not sing or dance well , they would do their best for the city . In 2001 , Slater was enshrined in the Pro Football Hall of Fame . He was voted the National Football League Players Association NFC Offensive Lineman of the year four times — 1983 , 1986 , 1987 , and 1989 . Slater was the Athletes in Action / Bart Starr Award winner after the 1995 season . Coaching career . On February 16 , 2006 , Oakland Raiders head coach Art Shell hired him to become a co - offensive lineman coach along with Irv Eatman . Slater was released by the Raiders for the 2007 season . He is currently the offensive line coach at Azusa Pacific University in Azusa , California . Azusa Pacific is in its final year as an NAIA Independent and will transition to NCAA Division II in 2012 . Personal . His son Matthew , who played college football at UCLA , was drafted by the New England Patriots of the National Football League ( NFL ) in the fifth round of the 2008 NFL Draft , and is a 2012 Pro Bowl er , American football wide receiver , safety , gunner , and Special Teams captain for the New England Patriots . His son ' s nomination to the Pro Bowl makes the Slaters one of five active father - son families selected to at least one Pro Bowl apiece : Gill and Jairus Byrd ; Archie ; Eli , and Peyton Manning ; Clay and Clay Matthews ; and Kellen and Kellen Winslow are the others .