
The 21-year-old England Under-21 international has signed a four-year deal with the Premier League newcomers.
"I'm overwhelmed, really," Clyne told the club's official website.
"As soon as I heard that Southampton were in for me, I was happy and I knew that this was the place where I could try to improve my football, further my career and get a chance to play in the Barclays Premier League."
Source: PA
Source: PA