"The Juice" is the only player to rush for 2,000 yards in a 14-game season. Teams started playing 16 in 1978.
Baltimore Ravens running back Jamal Lewis, center, hops over teammate Adam Terry, right, as he is chased by Philadelphia Eagles Matt McCoy, left, and Dhani Jones, second from left, during the first quarter of their pre-season football game in Baltimore, Thursday, Aug. 17, 2006.(AP Photo/Chris Gardner) ORG XMIT: BAF101 (The Minnesota Star Tribune)
Tennessee Titans running back Chris Johnson runs against the Cincinnati Bengals in the first half of an NFL preseason football game, Saturday, Aug. 17, 2013, in Cincinnati. (AP Photo/Al Behrman) ORG XMIT: NYOTK (The Minnesota Star Tribune)
Denver Broncos running back Terrell Davis carries the ball against the New York Jets during the second half of the AFC Championship Sunday, Jan. 17, 1999 at Mile High Stadium in Denver. Davis rushed for 167 yards and one touchdown in the Broncos 23-10 win. The Broncos will play the Atlanta Falcons in Super Bowl XXXIII on Sunday, Jan. 31, in Miami.(AP Photo/Jack Dempsey) ORG XMIT: DXS201 (The Minnesota Star Tribune)
FILE--Los Angeles Rams running back Eric Dickerson breaks away from Tamp Bay Buccaneer defender Ricky Easmon (26) in this Oct. 6, 1986 file photo in Anaheim, Calif. Dickerson is one of 76 nominees for the Pro Football Hall of Fame it was announced Thursday, Oct. 29, 1998. Dickerson, who ran for a record 2,105 yards for the Rams in 1984, stands third on the career rushing list with 13,259 yards and rushed for at least 1,000 yards seven times. Dickerson played for the Rams, Colts and Raiders.(AP Photo/Lennox Mclendon) ORG XMIT: MIN2012122014391909 (The Minnesota Star Tribune)
Detroit Lions running back Barry Sanders (20) looks for running room against the Minnesota Vikings during the second quarter at the Silverdome in Pontiac, Mich., Sunday, Nov. 16, 1997. (AP Photo/Duane Burleson) ORG XMIT: POS103 (The Minnesota Star Tribune)
Vikings running back Adrian Peterson (28) in the second quarter. ] CARLOS GONZALEZ cgonzalez@startribune.com - December 30, 2012 – Mall of America Field – The Metrodome - Minneapolis, Minn, NFL, Minnesota Vikings vs. Green Bay Packers ORG XMIT: MIN1212302029582237 (The Minnesota Star Tribune)