Warriors center Andrew Bogut did not travel with the team and will miss Sunday's game against the host Timberwolves because of his recent back issues. An MRI exam revealed that the back spasms that forced Bogut out of Friday's win over San Antonio were caused by a protruding disk in the middle of his back. Bogut, who earlier missed 42 games this season to rehabilitate his surgically repaired left ankle, stayed in the Bay Area to receive treatment. The current condition of his back isn't conducive for travel. Golden State is hoping he will be able to join the team at some point during its seven-day, five-game trip. The back spasms flared up Thursday, one day after Bogut played his first back-to-back set of the season. He did not practice and had his back examined Friday. This isn't Bogut's first time with back issues. In 2008-09, a stress fracture in his back after a nasty fall forced him out for half the season. Before fracturing his left ankle early last season with Milwaukee, Bogut missed five games with a sore back. Oddly, the Warriors have player their best ball of the season without Bogut. With Bogut again on the shelf, the Warriors pulled off one of their biggest wins of the year, outlasting San Antonio 107-101 in overtime. The Spurs own the NBA's best record at 44-13.