Question: Zema Williams is in a number of television commercials with a former American football running back who played college football where? 

Context paragraphs:
Walter Mendenhall: Walter Mendenhall (born January 22, 1986) is a former American football running back.  He played college football at Illinois from 2005 to 2007 before transferring to Illinois State University where he played in 2008.  He was signed by the Philadelphia Eagles as an undrafted free agent in 2009 and has also been a member of the Indianapolis Colts, Buffalo Bills and Cincinnati Bengals.  He is the brother of former Arizona Cardinals running back Rashard Mendenhall.

Clinton Portis: Clinton Earl Portis (born September 1, 1981) is a former American football running back who played in the National Football League (NFL) for nine seasons.  He played college football for the University of Miami.  He was drafted by the Denver Broncos in the second round of the 2002 NFL Draft.  Portis was best known for being the starting running back for the Washington Redskins for seven seasons, in which he gained an average of 81.2 yards rushing per game, for which a select panel of celebrities included him as one of the 80 Greatest Redskins.

Ricky Williams: Errick Lynne "Ricky" Williams Jr. (born May 21, 1977) is a retired American football running back who played twelve seasons in the National Football League (NFL) and one season in the Canadian Football League (CFL).  He played college football for the University of Texas, where he was a two-time All-American and won the Heisman Trophy.  Williams was drafted by the New Orleans Saints fifth overall in the 1999 NFL Draft and spent three seasons with the team before he was traded to the Miami Dolphins in 2002.  He played for the Dolphins for two seasons, and retired for the first time from football in 2004.  Due to his suspension from the NFL in 2006, he played for the Toronto Argonauts that year.  Williams re-joined the Dolphins in 2007 and played with them until 2010, and spent the 2011 season with the Baltimore Ravens.  He was formerly an assistant football coach at the University of the Incarnate Word and is currently a football analyst for ESPN's Longhorn Network.  In 2015, Williams was inducted into the College Football Hall of Fame.

Chief Zee: Zema Williams (July 7, 1941 – July 19, 2016), better known as Chief Zee, was a well-known fan and unofficial mascot of the Washington Redskins of the National Football League.  Dressed in a faux Native American war bonnet, rimmed glasses, and red jacket, Chief Zee began attending Redskins games in 1978.  He and other local sports personalities are featured in a number of television commercials for Eastern Motors, a Washington, D.C. and Baltimore area car dealership, with several Washington Redskins Players including: Antwaan Randle El, Santana Moss, Willis McGahee.

Rickey Young: Rickey Young (born December 7, 1953 in Mobile, Alabama) is a former American football running back who played nine seasons in the NFL.  Young played college football at Jackson State and was a teammate of Walter Payton.  Rickey was drafted in 1975 (7th round, 164th overall pick) by the San Diego Chargers.  After playing three years for the Chargers (1975–1977) he was traded to the Minnesota Vikings for All-Pro guard Ed White.  In his first season with the Vikings (1978) he led the NFL with 88 receptions, breaking Chuck Foreman's record for receptions by a running back in a season.  He played in six seasons with the Vikings, but retired after seeing limited action in 1982 and 1983.  He retired with 1,011 rushes for 3,666 yards and 23 touchdowns, along with 408 catches (then an NFL record for running backs) for 3,285 and 16 touchdowns.

Ron Sayers: Ronald Sayers (born August 29, 1947) is a former American football running back who played in the American Football League (AFL) for the San Diego Chargers in 1969.  He played college football for the University of Nebraska Omaha.  He is the younger brother of Pro Football Hall of Fame running back Gale Sayers.

Cadillac Williams: Carnell Lamar "Cadillac" Williams (born April 21, 1982) is a former American football running back in the National Football League (NFL).  He was drafted by the Tampa Bay Buccaneers in the first round of the 2005 NFL Draft and also played for the St. Louis Rams.  He played college football for the Auburn University Tigers.  Williams served as an offensive graduate assistant at the University of West Georgia in Carrollton, Georgia for the 2016 season.  Williams is now the running backs coach for the newly created IMG White football team at IMG Academy in Bradenton, Florida.

John David Washington: John David Washington (born July 28, 1984) is an American actor and former American football running back.  He played college football at Morehouse and signed with the St. Louis Rams as an undrafted free agent in 2006.  Professionally, Washington spent four years as the running back for the United Football League's California franchise, staying with the team through its entire history.

Andre Williams (American football): Andre Rishard Williams (born August 28, 1992) is an American football running back for the Los Angeles Chargers of the National Football League (NFL).  He was drafted by the New York Giants in the fourth round of the 2014 NFL Draft.  He played college football at Boston College, where he was a finalist for the 2013 Heisman Trophy, and won the 2013 Doak Walker Award as the nation's best running back.  During the 2013 season, Williams became only the 16th player in NCAA history to rush for over 2,000 yards and he finished his college career ranked 5th all-time for most yards rushed in a single season with 2,177 yards.

Willis McGahee: Willis Andrew McGahee III (born October 21, 1981) is a former American football running back.  He played college football at Miami, where he was recognized as a consensus All-American, and was drafted by the Buffalo Bills in the first round of the 2003 NFL Draft.  In addition to his time with the Bills, McGahee played for the Baltimore Ravens, Denver Broncos, and Cleveland Browns.

Supporting paragraphs: Chief Zee Willis McGahee
Answer: Miami