Celtic are known to be in the market for new players this summer as Brendan Rodgers looks to strengthen the team for the Champions League campaign. We all know that the goalkeeper position takes priority now that Joe Hart has left the club but the Celtic fans know that there are other positions that require strengthening if the club are to progress in Europe’s elite competition. Brendan Rodgers needs a strong partner beside Cameron Carter-Vickers and the Celtic boss also needs someone to challenge Greg Taylor at left-back. And after what Tottenham Hotspur have done this morning, the answer to …