PHILADELPHIA, PA – MAY 06: Head coach Tom Thibodeau of the Chicago Bulls signals during the game against the Philadelphia 76ers in Game Four of the Eastern Conference Quarterfinals in the 2012 NBA Playoffs at the Wells Fargo Center on May 6, 2012 in Philadelphia, Pennsylvania. The 76ers won 89-82 to go up 3-1 in the series. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Drew Hallowell/Getty Images)