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This trade is simply known as "The Trade," as the Vikings thought they were just one player away from finally winning a Super Bowl, and new Dallas head coach Jimmy Johnson knew his Cowboys were many players away from being championship contenders.
So, Jimmy decided to trade away his best player in hopes of acquiring a lot of young talent in the process.
A lot of players went to a lot of places because of this trade, but it is most remembered for helping the Cowboys draft future hall of famer Emmit Smith.
The end result was that the Cowboys would win three Super Bowls in the '90s, and the Vikings would take a while to recover from the deal.
In case you're wondering what it took to make all this happen, here is the list below.
Dallas Cowboys received
LB Jesse Solomon
LB David Howard
CB Issiac Holt
RB Darrin Nelson (traded to San Diego after he refused to report to Dallas)
DE Alex Stewart
Minnesota's first-round pick in 1990 (traded this pick along with pick (81) for pick (17) from Pittsburgh to draft Emmitt Smith)
Minnesota's second-round pick in 1990 (Alexander Wright)
Minnesota's sixth-round pick in 1990 (traded to New Orleans, who drafted James Williams)
Minnesota's first-round pick in 1991 (Alvin Harper)
Minnesota's second-round pick in 1991 (Dixon Edwards)
Minnesota's second-round pick in 1992 (Darren Woodson)
Minnesota's third-round pick in 1992 (traded to New England, who drafted Kevin Turner)
Minnesota's first-round pick in 1993 (traded to Philadelphia and then to Houston, who drafted Brad Hopkins)
Minnesota Vikings received
RB Herschel Walker
Dallas's third-round pick - 1990 (Mike Jones)
San Diego's fifth-round pick - 1990 (Reggie Thornton)
Dallas's 10th-round pick - 1990 (Pat Newman)
Dallas's third-round pick - 1991 (Jake Reed)