His decision deprives new captain Leon Smith, who used to coach Murray, of his best player for the tie against Turkey at Eastbourne next month.

BBC: Andy Murray opts out of Davis Cup tie against Turkey

Saints had their tails up and on-loan Celtic striker Sheridan flicked the ball past Smith from a pinpoint cross by Murray Davidson to claim his first goal for the Perth club - the 18th player to score for Saints this season.

BBC: Sport - Football - St Johnstone 5-1 Hibernian

Murray spoke about the turnaround in management, with Walter Smith replacing Paul le Guen last January.

BBC: CHOOSE A SPORT