Klinsman did a an amazinh job recruiting players like wood, zelalem, johnson, chandler, boyd and green. I think zelalem and green are the best prospects that USA has.
He failed in tactics. He tried to force the usa to play a style that they did not have the talent to do. In the world cup they looked terrible and got very luck to advance.
With arena or bradley, i dont think you will ever see USA out played like that.
His big coups were closing teh deal on Aaron Johannsson, Zelalem and Green none of whom likely would be playing for us, but Johnson and the others had either been called up or long on the radar.
Outside of those successes, his tenure is a Hinderberg level failure. He was consistently out of his depth. He would erratically go off the reservation on tactics, get spanked, then be conservative and successful for a stretch, before again going rogue. It was unbearable to watch this team under Klinsi.