Answer
Fraser joined Southampton after leaving Celtic in the summer of 2015. He had been a regular for Celtic since making his debut in 2013, and had helped the club to win the Scottish Premiership title in 2014 and 2015. Fraser was signed by Southampton for a fee of £4.5 million, and he made his debut for the club in a 1-1 draw against West Bromwich Albion in August 2015.