Question: Roland Harper, is a former professional American football player who played running back for eight seasons for the Chicago Bears, he was a starting fullback known in his playing days as a punishing blocker who opened holes in opposing defenses for which star halfback, and an American football running back who played for the Chicago Bears of the National Football League (NFL) for thirteen seasons?
Context: Herbert Gustave "Dick" Plasman (April 6, 1914 – June 23, 1981) was a former professional American football player who played running back for eight seasons for the Chicago Bears and Chicago Cardinals.  He is notably the last player in the NFL to play a game without a football helmet.  He did so in the 1940 NFL Championship game. Roland Harper (born February 28, 1953 in Seguin, Texas) is a former professional American football player who played running back for eight seasons for the Chicago Bears.  He was selected in the 17th and final round of the 1975 draft from Louisiana Tech.  He was a starting fullback known in his playing days as a punishing blocker who opened holes in opposing defenses for star halfback Walter Payton.  Harper ranks sixth on the Bears' all-time rushing list with 3,044 yards and 15 TDs on 757 carries in seven seasons.  Harper was inducted into the Louisiana Tech University Athletic Hall of Fame in 1986. Jonathan Stewart Vaughn (born March 12, 1970) is a former professional American football player who played running back and served as a kick returner in the National Football League (NFL) for four seasons from 1991 to 1994 for the Seattle Seahawks, New England Patriots, and Kansas City Chiefs.  In his most productive season, he led the 1992 Patriots in rushing and led the NFL in kickoff returns with a 28.2 yards per return average on twenty returns.  Vaughn was the tenth NFL player to accumulate four kickoff return touchdowns during his career and the second to accumulate kickoff return touchdowns for three different teams.  Vaughn measured 5 ft and 203 lb during his NFL playing days. Donald Frederic Shy (born November 15, 1945) is a former professional American football player who played running back for seven seasons for the Pittsburgh Steelers, the New Orleans Saints, the Chicago Bears, and the St. Louis Cardinals of the National Football League (NFL). Peyton Derek Hillis (born January 21, 1986) is a former American football running back who played in the National Football League (NFL).  Hillis attended Conway High School in Conway, Arkansas and was a highly touted recruit.  Hillis attended the University of Arkansas in Fayetteville, Arkansas where he was primarily used as a fullback.  After being drafted in the 7th round of the 2008 NFL Draft, Hillis rose to the top of the depth chart as the starting fullback for the Denver Broncos.  Due to injuries to the running back corps, he became the starting running back.  After spending two years in Denver, Hillis was traded to the Cleveland Browns in 2010.  In 2011, Hillis won a nationwide vote which put him on the cover of EA Sports' "Madden NFL 12" video game. Wayne MacArthur Wilson (born September 4, 1957 in Montgomery County, Maryland) is a former professional American football running back who played in the National Football League (NFL) for nine seasons for the New Orleans Saints, Minnesota Vikings, and Washington Redskins.  Wilson played for Howard High School.  He played college football at Shepherd University and was drafted in the 12th round of the 1979 NFL Draft by the Houston Oilers.  His best season was as a starting fullback for New Orleans in 1983, when he led the team with 11 touchdowns, gaining 787 yards rushing, 178 yards receiving, and 239 yards returning kickoffs. Autry Lamont Denson (born December 8, 1976) is a former professional American football player who played running back for four seasons in the National Football League (NFL) with the Miami Dolphins, the Indianapolis Colts, and the Chicago Bears.  He is currently the running backs coach for the University of Notre Dame. Sherman Smith (born November 1, 1954) is the former running backs coach for the Seattle Seahawks.  He is a former offensive coordinator for the Washington Redskins.  He is also a former professional American football running back for eight seasons for the Seattle Seahawks and San Diego Chargers.  After his playing days were over, he embarked upon a second career as a football coach, starting in high school, then college, and finally back in the National Football League, with the Houston Oilers / Tennessee Titans. Adrian Nicholas Peterson (born July 1, 1979) is a former American football running back who played in the National Football League and United Football League.  He was drafted by the Chicago Bears in the sixth round of the 2002 NFL Draft, playing eight seasons for Chicago.  Then he played for the Virginia Destroyers in the UFL.  He is an alumnus of Georgia Southern University, where he set numerous school, conference, and NCAA Division I-AA records, as well winning two 1-AA National Championships and receiving the Walter Payton Award for most outstanding player in 1-AA football. Walter Jerry Payton (July 25, 1954 – November 1, 1999) was an American football running back who played for the Chicago Bears of the National Football League (NFL) for thirteen seasons.  Payton was known around the NFL as "Sweetness".  A nine-time Pro Bowl selectee, Payton is remembered as a prolific rusher, once holding records for career rushing yards, touchdowns, carries, yards from scrimmage, all-purpose yards, and many other categories.  He was also versatile, and retired with the most receptions by a non-receiver, and had eight career touchdown passes.  He was elected into the Pro Football Hall of Fame in 1993 and the College Football Hall of Fame in 1996.  Hall of Fame NFL player and coach Mike Ditka described Payton as the greatest football player he had ever seen—but even greater as a human being.
Answer: Walter Jerry Payton