Tragic news out of Louisiana, as the aunt and uncle of 49ers tight end Delanie Walker were killed in a car accident near New Orleans after leaving the Super Bowl. Alice and Bryan Young of Pomona, Calif. were stopped on the shoulder of Interstate 10 in St. Charles Parish when a driver hit them as she veered off the highway. Nechole Thomas, 26, of Houston was arrested on suspicion of vehicular homicide, driving while intoxicated and reckless operation of a vehicle. Walker is the cousin of Alice Young's son DeAndre Williams, a standout high school football player. Williams was invited to go to the game but said he declined to focus on…