Reggie Bush won’t play Saturday because he’s a “proven entity”

The 49ers listed Reggie Bush as their top kickoff and punt returner on their first depth chart of the 2015 season, which means they’ll be going with backup options at both spots in Saturday night’s game against the Texans. Coach Jim Tomsula said Thursday that former rugby player Jarryd Hayne and rookie wide receiver DeAndrew White,…