About as quickly as they can blow games open with big runs, the high-flying Golden State Warriors are keeping their roster intact for another championship chase. Key reserve Andre Iguodala announced his own re-signing Saturday night on Twitter, reaching agreement on a $48 million, three-year contract in which all the money is guaranteed, a person with direct knowledge of the deal said. Fresh off his first career title, David West is coming back for what is expected to be his final NBA season.