Potential Leeds United interest in Rabbi Matondo appears to be the source of great Rangers transfer confusion. The 23-year-old Welsh winger is in his third year as a Rangers player but has yet to convince the Ibrox legions that he’s worth the weekly wage or the outlay the club paid for him. Signed as a potential long-term successor to Ryan Kent, Rabbi Matondo has huffed and puffed between a number of injuries at Ibrox. Save for a brief purple patch and some moments of genuine quality, its been a largely disappointing 24 months in Glasgow. But two years on from that £2.5m move from Schalke 04, …