Jon Jansen Jonathan Ward Jansen ( born January 28 , 1976 ) is an American football offensive tackle who is currently a free agent . He previously played for the Detroit Lions and Washington Redskins of the National Football League . He was drafted by the Washington Redskins in the second round of the 1999 NFL Draft . He played college football at Michigan . Early years . Jansen earned Prep Football Report All - Midwest and Detroit News Blue Chip honors as a tight end at Clawson High ( Mich . ) . As a senior , he made a school - record 31 catches for 420 yards . He posted 68 career catches and made 202 tackles , four sacks and four interceptions at linebacker to earn Oakland County Defensive MVP honors . He lettered in football , basketball and baseball . College career . Jansen was a two - time First - Team All - Big Ten selection at Michigan . He set a school record with 50 straight starts , all at Right Tackle , earning the nickname " Rock . " As a senior in 1998 , he was named a First - Team All - American by the Burger King American Football Coaches Association . He paced Michigan ' s down lineman with 106 knockdowns on an offense that gained 4 , 955 yards . He helped Michigan to a 45 - 31 victory over Arkansas in the Citrus Bowl . He was Michigan ' s co - captain as a senior and junior and fortified an offense that posted 4 , 652 yards en route to the National Championship . As a redshirt freshman , he helped propel an offense that amassed 5 , 140 yards . Professional career . Washington Redskins . Jansen was drafted by Washington in the second - round of 1999 NFL Draft ( 37th overall ) . Jon was a valuable addition to a Redskins offensive line that allowed 31 sacks compared with a franchise record 61 in 1998 . He started all 16 regular - season games and both playoff games . He made a huge impact in mini - camp , training camp and the preseason , impressing coaches with his ability to grasp the Redskins system . He was part of an offensive line that earned game balls for allowing no sacks in a 50 - 21 win over the Giants in Week 2 . On an offensive line decimated with injuries , Jansen did not miss a snap in 2000 . He was one of four players on offense to start each game and has now started every game in his career ( 34 ) , including two playoff contests . His blocking helped Stephen Davis rush for 1 , 318 yards . Jansen started all 16 games for the third straight season in 2001 . He has started every game in his career ( 50 , including two playoff games ) . He earned the game ball , along with the rest of the offensive line , for making way for the offense to rush for a season - high 226 yards in Redskins 27 - 14 win over Seattle ( 11 / 4 ) . He and the unit earned another game ball for their outstanding play in Week 16 after the Redskins beat the Saints 40 - 10 . Jansen ' s blocking helped running back Stephen Davis eclipse the team record with 1 , 432 yards rushing , third in the NFL and first in the NFC . Jansen was voted by his teammates as the ' Unsung Hero ' of the Redskins for 2002 . He regarded as one of the best tackles in the NFL and part of the best bookend tandem of tackles when paired with Pro Bowler Chris Samuels . A relentless worker , Jansen helped the Redskins offense rush for 1 , 889 yards . Jansen started all 16 games in 2003 at right tackle for the fourth straight season , living up to his nickname : " The Rock " . He had started 82 straight contests ( including 2 playoff games ) as a pro after starting 50 straight games in his college career at Michigan . Jansen continued to be a solid performer at right tackle , teaming with new right guard Randy Thomas to open up holes and protect Redskin quarterbacks . In Week 1 vs . New York Jets , he helped open holes for the Redskins to rush for 160 yards . In Week 2 at Atlanta , he helped the Redskins total 435 yards and 125 rushing yards . In Week 3 vs . New York Giants , he helped the Redskins total 456 yards and 124 rushing yards . He continued his rivalry with Pro Bowl defensive end Michael Strahan by limiting him to two tackles and no sacks . In a Week 10 game against Seattle , he helped the Redskins offense compile 379 total yards and 137 rushing yards . In Week 13 game against the New Orleans Saints , he helped the Redskins to 392 total yards and 161 rushing yards , opening holes for Trung Canidate who logged 115 rushing yards . Jansen suffered a ruptured left Achilles tendon injury in the Redskins ' preseason opener on Aug . 9 , 2004 against the Denver Broncos . He was placed on the team ' s injured reserve list shortly after having surgery to repair the injury . Jansen returned from the Achilles injury in 2004 to start all 16 games and two playoff games in 2005 . He joined with right guard Randy Thomas to develop a dominant right side of the offensive line . He also helped running back Clinton Portis rush for a single - season team record 1 , 516 yards . In Week 1 vs . Chicago , he helped the Redskins ' offense rush for 164 yards , led by Clinton Portis ' s 121 rushing yards on 21 carries . In Week 7 vs . San Francisco , he helped the Redskins ' offense rush for 204 yards , led by Clinton Portis ' s 101 rushing yards and Ladell Betts ' 92 yards . In Week 13 at St . Louis , he was part of an offensive line that compiled a season - high 257 rushing yards . Clinton Portis had 136 rushing yards and two TDs , while Rock Cartwright had 118 rushing yards on nine carries . Jansen was given a new contract on February 7 , 2007 at the conclusion of the 2006 season . During the season opener against Miami in 2007 , Jansen suffered a season - ending broken and dislocated ankle . He was placed on the injured reserve . Reche Caldwell , a wide receiver , was signed for the roster spot vacated by Jansen . On May 29 , 2009 , the Washington Redskins cut Jansen . Jansen was released after a meeting with Redskins owner Daniel Snyder , and head coach Jim Zorn among others . Detroit Lions . On May 29 , 2009 . the Lions agreed to a one - year deal with Jansen . The deal was finalized on June 1 , 2009 . In Detroit , Jansen served as a backup to Gosder Cherilus . On October 11 , 2009 , Jansen made his first start for the Lions in a game against the Pittsburgh Steelers . He was re - signed to a one year , $ 860 , 000 deal , the NFL minimum , on March 6 , 2010 . On September 4 , 2010 , however , Jansen was released by the Lions as they cut their roster to the NFL - mandated 53 player limit . Costas Now . In September , 2006 Jansen appeared on the HBO show " Costas Now " where in an interview with Bob Costas he stated that in his estimation between 15 - 20 % of the league used illegal performance enhancing drugs . Jansen stated that the use of illegal substances was on the rise because the use of human growth hormone injections which are not tested for by the NFL . He later recanted this estimation , saying that he felt 15 - to - 20 percent was a low amount and not realizing the significant numbers of players that a 15 - to - 20 percent figure would represent . Personal life . Jansen is married and has two daughters , Lucy and Ruby . He participated at the NFL Network coverage of the playoff game between Philadelphia Eagles and Minnesota Vikings on January 4 , 2009 , he interviewed Eagles runningback Brian Westbrook . Jansen now does post game shows for the Detroit Lions on 97 . 1 The Ticket WXYT - FM on Lions Game day . The Big Ten Network has hired Jon for a variety of roles .