5 biggest blunders by GMs in NFL history

#3 - JaMarcus Russell is selected as No. 1 overall pick by Raiders

Oakland Raiders quarterback JaMarcus Russell

JaMarcus Russell had many red flags surrounding his character and work ethic prior to the 1999 NFL Draft. But that didn't stop Raiders owner and general manager Al Davis from selecting him as the No. 1 overall pick.

The concerns, however, turned out to be true as he became one of the biggest draft busts of all time.

Russell was infamously difficult to deal with as he clashed with coaches and even lied about watching game films.

He held out for a bigger contract before ever playing a game in his rookie season and ended the year with one start and four interceptions. His career ended after 25 starts, having thrown 23 interceptions and registering a 7-18 record.

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#2 - Trading DeAndre Hopkins for David Johnson

Houston Texans wide receiver DeAndre Hopkins

Bill O'Brien served as both the head coach and general manager for the Houston Texans. While his coaching record is respectable, the moves he made as a GM are widely considered a disaster.

The biggest blunder among all he did was trade superstar DeAndre Hopkins in his prime for a compromised version of David Johnson, who appeared way past his prime.

The trade was highly criticized around the NFL at the time it happened, and rightfully so. Hopkins continued to be a stud with the Arizona Cardinals while Johnson failed to make any impact with the Texans.

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#1 - Trading up for Mitchell Trubisky while passing on Patrick Mahomes and Deshaun Watson

Quarterbacks Patrick Mahomes and Mitchell Trubisky

Chicago Bears general manager Ryan Pace made a move in the 2017 NFL Draft that may go down as the worst decision of all time by any GM ever.

He infamously traded up just one spot from second to third to make sure he was able to select the quarterback he wanted. With Patrick Mahomes and Deshaun Watson both available, it was Mitchell Trubisky that Pace so desperately wanted to have.

While Mahomes and Watson are two of the best quarterbacks of their generation, Trubisky was unable to secure a long-term position with the Bears after four disappointing seasons. The entire situation, including trade and choice, makes it one of the worst decisions of all time.