Tottenham Hotspur Ange Postecoglou doesn’t forget where he’s worked or who he’s worked with and this weekend he’ll be cheering on former Celtic coach Harry Kewell. Kewell is taking charge of Yokohama F.Marinos in the Asian Champions League Final on Saturday, something that even Postecoglou didn’t manage to do in his time at the club. The Japanese outfit face Al Ain in the first leg at home after successfully coming through knockout rounds against Thailand’s Bangkok United, China’s Shandong Taishan and Ulsan Hyundai of South Korea. Postecoglou helped rejuvenate Kewell’s coaching career after ap…