From bottom, Jim Marshall, Alan Page, Gary Larsen and Carl Eller, Minnesota Vikings linemen, are shown at Rice Stadium, Jan. 7, 1974 in Houston. (AP Photo)

Alan Page, (88), defensive tackle for the Minnesota Vikings football team, is shown in 1973. (AP Photo)

Jim Marshall of the Minnesota Vikings is shown in 1963. (AP Photo)

Defensive end Carl Eller of the Minnesota Vikings. (National Football League)

Minnesota Vikings defensive tackle Gary Larsen (77) during the Vikings 23-10 loss to the Pittsburgh Steelers on November 26, 1972 at Three Rivers Stadium in Pittsburgh, Pennsylvania. (National Football League)

Minnesota Vikings defensive end Carl Eller (81) leads the victorious through happy fans after they beat the Los Angeles Rams for the NFC championship, 24-13, at Bloomington on Sunday, Dec. 26, 1976. (AP Photo)

Dallas Cowboys quarterback Don Meredith (17) runs for 7-yards in the second quarter of the National League Football League Playoff in Miami, Jan. 5, 1969. Vikings defensive tackle Gary Larsen (77) made the stop. (AP Photo)

This Nov. 23, 1970, file photo shows Green Bay Packers quarterback Bart Starr (15) looking for a receiver as Minnesota Vikings' Alan Page (88) charges him during second half action of an NFL game in Minneapolis. (AP Photo)

Hall of Fame defensive end Carl Eller (81) of the Minnesota Vikings gets around Rams offensive tackle Harry Schuh (76) in a 45-41 Vikings victory on Nov. 19, 1972 at the Los Angeles Memorial Coliseum. (National Football League)

Minnesota Vikings defensive ends Jim Marshall (70), Carl Eller (80) and Gary Larsen (77), the "Purple People Eaters" watch from the sidelines during game against the Los Angeles Rams, at Los Angeles, Calif., Dec. 7, 1969. The Vikings won, 20-13. (National Football League)

Minnesota Viking tackle Jim Marshall clutches the game ball as he is carried from the field by teammates Doug Southerland, left, and Scott Studwell after the Vikings had beaten Buffalo 10-3, in Bloomington, Minn., on Sunday, Dec. 9, 1979. (AP Photo/Jim Mone)

Defensive end Carl Eller #81 of the Minnesota Vikings linebacker Wally Hilgenberg #58 pass rush against the Los Angeles Rams in the 1969 NFL Western Conference Playoff Game at the Los Angeles Memorial Coliseum on December 27, 1969 in Los Angeles, California. The Vikings defeated the Rams 23-20. (National Football League)

These are four of the defensemen of the Minnesota Vikings. From left are end Jim Marshall, tackle Alan Page, tackle Doug Sutherland and end Carl Eller. They met the Pittsburgh Steelers in the Super Bowl game in New Orleans, on Sunday, Jan. 9, 1975. (AP Photo)

Defensive end Jim Marshall #70 of the Minnesota Vikings runs in pursuit against the Los Angeles Rams in the 1969 NFL Western Conference Playoff Game at the Los Angeles Memorial Coliseum on December 27, 1969 in Los Angeles, California. The Vikings defeated the Rams 23-20. (National Football League)

Minnesota Vikings defensive end Jim Marshall (70) and defensive tackle Alan Page (88) line up in three-point stances during their game with the Los Angeles Rams in Los Angeles, Calif., Sept. 22, 1967. The Rams won, 39-3. (National Football League)

Minnesota Vikings defensive end Jim Marshall (70) and defensive tackle Alan Page (88) wait for the offense during their game with the Los Angeles Rams in Los Angeles, Calif., Sept. 22, 1967. Rams won, 39-3. (National Football League)

The powerful defensive front four of the Vikings (1-r: Jim Marshall, Alan Page, Gary Larson, Carl Eller), rated one of the best in the NFL, practiced Sept. 16, 1971in Minneapolis, in preparation for next Monday's season opener against Detroit,. (AP Photo)

Minnesota Vikings defensive end Carl Eller (81) pass rushes during games against the Los Angeles Rams at Los Angeles, Calif., Nov. 24, 1974. Rams defeated Vikings, 20-17. (National Football League)

Minnesota Vikings Jim Marshall (70) sacks Los Angeles Rams quarterback Pat Haden as Haden attempted to pass during first quarter action Aug. 6, 1977in Los Angeles. Vikings Doug Sutherland (69) and Carl Eller (81) close in on the loose ball. (AP Photo)

Minnesota Vikings defensive end Jim Marshall rushes the quarterback during a 20-17 loss to the Los Angeles Rams on November 24, 1974. (National Football League)

Minnesota Vikings Hall of Fame defensive end Alan Page. (National Football League)

The "Purple People Eaters," Minnesota Vikings defensive ends Carl Eller (81) and Alan Page (88) walk alongside defensive tackles Gary Larsen (77) and Jim Marshall (70) as they head back to the huddle in a 20-13 win over the Los Angeles Rams on December 7, 1969. (National Football League)

Minnesota Vikings Hall of Fame defensive tackle Alan Page (88) protests a roughing the passer call against him during the Vikings 24-7 loss to the Miami Dolphins in Super Bowl VIII on January 13, 1974 at Rice Stadium in Houston, Texas. (National Football League)

San Francisco running back Bill Tucker of the San Francisco 49ers gets stopped by Minnesota defensive end Jim Marshall (70) and Gary Larsen (77) in a 10-7 Vikings win on December 14,1969. (National Football League)

The Minnesota Vikings defensive front four of Jim Marshall (70), Hall of Fame defensive end Carl Eller (81), Hall of Fame defensive tackle Alan Page (88), and Gary Larsen (77), known as the "Purple People Eaters," take a break on the bench together during (National Football League)

Minnesota Vikings defensive tackle Gary Larsen (77) is set to take on Rams Hall of Fame tackle Bob Brown (76) during the Vikings 20-13 victory over the Los Angeles Rams on December 7, 1969 at the Los Angeles Memorial Coliseum in Los Angeles, California. (National Football League)

Minnesota Vikings defensive tackle Gary Larsen (77) and Hall of Fame defensive end Carl Eller (81) during the Vikings 20-13 victory over the Los Angeles Rams on December 7, 1969 at the Los Angeles Memorial Coliseum in Los Angeles, California. (National Football League)

Pittsburgh Steelers running back John "Frenchy" Fuqua (33) carries the football and is pursued by Vikings defensive end Jim Marshall (70) and Hall of Fame defensive tackle Alan Page (88) during the Steelers 23-10 victory over the Minnesota Vikings. (National Football League)