The Rangers defender has backed his goalkeeper to keep getting better.
Mark Warburton’s Glasgow Rangers are second in the Scottish Premiership table at the moment.
Mark Warburton’s Glasgow Rangers won against Kilmarnock at Ibrox in the Scottish Premiership on Saturday afternoon.
Glasgow Rangers boss Mark Warburton has picked Gilks for the majority of the club's cup games this term.
The two goalkeepers are fighting it out for the Rangers number one spot.
Mark Warburton’s Glasgow Rangers will face Old Firm rivals Celtic in the semi-finals of the Scottish League Cup this weekend.
The centre-back has made just two appearances for Glasgow Rangers since joining Mark Warburton's side in the summer.
The 25-year-old is in his second season at Ibrox side Glasgow Rangers.
Mark Warburton’s Glasgow Rangers failed to win against Ross County at Ibrox in the Scottish Premiership on Saturday.
Ibrox side Glasgow Rangers were beaten 5-1 by Celtic in their last match.