ST. LOUIS -- Saints quarterback Drew Brees, safety Jairus Byrd, running back Pierre Thomas, cornerback Champ Bailey and Pro Bowl guards Ben Grubbs and Jahri Evans headline a list of 13 players who are not dressed out for New Orleans preseason opener at the Edward Jones Dome on Friday night.

Others who are missing are wide receiver Kenny Stills, fullback Erik Lorig, linebacker Victor Butler, wide receiver Andy Tanner, cornerback Terrence Frederick, tackle Ty Nsekhe and tight end Je'Ronn Hamm.

Brees has a strained oblique but stretched and was throwing passes with Byrd (back) during warm-ups. Stills has a tweaked quad. Lorig has a leg injury. Hamm has a stinger. Frederick has a hurt hamstring.

The rest of the players' injuries are undisclosed.