USA reach Gold Cup final
Dempsey scored off a cross from Landon Donovan to avenge the Americans 2-1 loss to Panama earlier in the group stage of the tournament. Freddy Adu, 22, helped set up the winning goal with a long pass up the field to a streaking Donovan.
Donovan then made a perfect pass across the Panama goal to Dempsey, who redirected the ball into the open side of the net.
The Americans next play the winner of the Honduras-Mexico semi-final in the championship at the Rose Bowl stadium in Los Angeles on Saturday.