The Arizona Diamondbacks wanted ace Dan Haren without having to deplete their stable of young talent. Trading major league saves leader Jose Valverde in a separate deal solved that problem.

Dan Haren is off the market, and the Arizona Diamondbacks have an imposing 1-2 punch at the top of their rotation.

The Arizona Diamondbacks acquired All-Star pitcher Dan Haren from Oakland and traded major league saves leader Jose Valverde to Houston in separate swaps involving 12 players Friday.