The striker has struggled to find top form for Rangers so far this season.
Rangers take on rivals Celtic in the Scottish League Cup semi-final this weekend.
Mark Warburton's Glasgow Rangers side will be looking to avenge the defeat they suffered the last time these two teams met.
How many points has Kenny Miller's predatory instinct earned Rangers over the years? Martyn Waghorn was certainly impressed despite failing to find the net.
Martyn Waghorn could leave Ibrox and Glasgow Rangers boss Mark Warburton this winter, but would this man be a suitable replacement?
The Ibrox striker has been linked with a January exit from Mark Warburton's Glasgow Rangers.
Rangers striker Martyn Waghorn is reportedly attracting interest from Bristol City.
Mark Warburton's Ibrox side Glasgow Rangers are struggling.
Mark Warburton's Glasgow Rangers have struggled for goals this season.
Waghorn scored a hat-trick at Ibrox to help Mark Warburton out of a hole at Rangers.