Trades in the NFL occur more in the offseason than during the trading deadline, as players must learn their team's playbook as soon as possible. The trading deadline in the National Football League is set at the Tuesday following the sixth week of the regular season. Unlike other professional sports, there is not a lot of action at the deadline.

The Dallas Cowboys were involved the largest player trade in National Football League history on October 12, 1989. Mired in a slump, it was decided that a shakeup was needed, and that Herschel Walker would be traded. http://www.dallasnews.com/sharedcontent/dws/img/10-09/1012walkertrade.pdf

None to Report

On October 12, 1989, the Dallas Cowboys and Minnesota Vikings were involved in the largest player trade in National Football League history, and involved Heisman Trophy winner Hershel Walker.

Dallas Cowboys Players Received

• LB Jesse Solomon
• LB David Howard
• CB Issiac Holt
• RB Darrin Nelson
• DE Alex Stewart

Dallas Cowboys Draft Picks Received

• 1st Round Pick in 1990
• 2nd Round Pick in 1990
• 6th Round Pick in 1990
• Conditional 1st Round Pick in 1991
• Conditional 2nd Round Pick in 1991
• Conditional 2nd Round Pick in 1992
• Conditional 3rd Round Pick in 1992
• Conditional 1st Round Pick in 1993

Minnesota Vikings Players Received

• RB Herschel Walker

Minnesota Vikings Draft Picks Received

• 3rd Round Pick in 1990
• San Diego's 5th Round Pick in 1990
• 10th Round Pick in 1990
• 3rd Round Pick in 1991http://www.dallasnews.com/sharedcontent/dws/img/10-09/1012walkertrade.pdf

April 22, 1990: Dallas Cowboys trade Minnesota Vikings' 1st Round Pick (21st overall) in 1990 (obtained in the "Herschel Walker" trade and their 3rd Round Pick to the Pittsburgh Steelers for Pittsburgh's 1st Round Pick (17th overall), which the Cowboys used to draft Emmitt Smith.http://www.dallasnews.com/sharedcontent/dws/img/10-09/1012walkertrade.pdf