Newcastle United assistant manager Jason Tindall is not a stranger to the spotlight. Indeed, Eddie Howe’s right-hand man became something of a social media sensation a few seasons ago now, with Tindall’s propensity to be shown on camera becoming something of a joke amongst rival supporters. Affectionately known as ‘Mad Dog’ at Newcastle, he’s clashed with rival coaches on the touchline before, as well as some players. Last season’s rule change denied Tindall the chance to join Howe in the technical area but that has not stopped him at times. After all, Tindall was booked for trying to hasten t…