The name Martyn Waghorn is a blast from the past for Rangers fans. The English striker had a prolific season at Ibrox in Mark Warbuton’s maiden campaign, joining the Gers alongside captain James Tavernier from Wigan Athletic in 2015. Netting 28 goals in that first season at Rangers, there were hopes that Martyn Waghorn could go on to fire the club to 55 in the Scottish Premiership. These turned out to be incredibly short-lived. A disastrous first season back in the Scottish Premiership saw Warburton shifted out and Pedro Caixinha drafted in with the Portuguese ringing the changes and Waghorn h…