By Matt Hardy Leicester Tigers coach Michael Cheika has been slapped with a one-week suspension for disrespecting a match day rugby doctor. The Premiership newcomer committed the offence in his side’s opening round victory over Exeter Chiefs, with the RFU disciplinary hearing saying he challenged a call made by the doctor relating to whether centre Solomone Kata should be permanently removed from the field due to head contact. Kata later got a red card. A clash of heads between Kata and teammate Ollie Chessum left both with concussive symptoms. Both have since been required to undergo stand-do…