 Prior to the signing, Davidson was with the NBA Development League's Idaho Stampede, with whom he was averaging 16.1 points and 10.8 rebounds in 15 games.On January 15, he was signed to a second 10-day contract and on January 25, he was signed for the rest of the season.On June 30, the Warriors announced that he would play for their 2009 NBA Summer League team in Las Vegas

After putting up disappointing numbers in the 2009 NBA Summer League, the Warriors waived Davidson on July 27, 2009.