Cowboys RB Ronald Jones suspended 2 games for PED violation

Jones suspended for first 2 games of 2023 season for violating NFL's PED policy.
Jones can still participate in practices and preseason games during suspension.
Jones signed with Cowboys this offseason after 4 years with Buccaneers.
Cowboys have limited depth at RB behind starter Tony Pollard.
Jones claims he never knowingly violated policy and will work with team to investigate.