Colts quarterback Anthony Richardson is officially questionable for Sunday’s game against the Jacksonville Jaguars, according to Tom Pelissero of NFL Network. He’s dealing with an injury to his oblique. If he can’t play, Joe Flacco will be the man under center for Indianapolis. Flacco came in to lead the Colts to a win over the Steelers on Sunday, after Richardson had to leave with a hip injury. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! The Colts held off the Steelers for a 27-24 win. Flacco completed 16 of his 24 passes for 168 ya…