Proehl played 17 seasons with the Phoenix/Arizona Cardinals, Seattle Seahawks, Chicago Bears, St. Louis Rams, Carolina Panthers, and Indianapolis Colts.
[1] He recently served as the wide receivers coach for the St. Louis BattleHawks of the United Football League (UFL).
[6] As part of "The Greatest Show on Turf", he helped lead the Rams to a championship in the 1999 season at Super Bowl XXXIV, catching a 30-yard pass from Kurt Warner with 4:44 remaining in the NFC Championship that gave them a 11–6 lead; the Rams held on to win the game and advance to the Super Bowl.
Before the game, Proehl, extremely confident that the Rams would win, said to an NFL films camera crew "Tonight, a dynasty is born, baby!"
[8] He was talked out of retirement for a 16th season by Panther quarterback Jake Delhomme and coach John Fox.
On November 29, 2006, Proehl came out of retirement to join the Indianapolis Colts, replacing injured WR Brandon Stokley, and helping them to a victory in Super Bowl XLI.
He was selected in the 2018 NFL draft by the Buffalo Bills as the 255th overall pick, and is currently a wide receiver with the St. Louis BattleHawks of the UFL, where he is coached by his father.
Blake played wide receiver for East Carolina University,[13] and was signed as an undrafted free agent to the Minnesota Vikings.
[14] Proehl owns, manages, and coaches at Proehlific Park, which is a sports performance complex and fitness center he built in Greensboro, North Carolina.