Ao Tanaka has quite easily been the signing of Daniel Farke’s second season in charge at Leeds United with the Japan star shining in the middle of the park for Leeds. The Japan star has come into the starting line-up for the last six league games, replacing Ethan Ampadu after the skipper suffered a long-term knee injury in the 3-0 win over Coventry at the end of September. Tanaka started alongside Ilia Gruev against Norwich and after just 20 minutes, the £3.4m signing found himself with Joe Rothwell in midfield as Gruev picked up a long-term knee injury which required surgery. Gruev says he is…