Bolton Wanderers boss Gary Megson says they've re-signed the best young defender in the country in Gary Cahill.

Cahill has signed a new three-year contract with Bolton, tying him to the club until 2012.

The 23-year-old excelled at the Reebok Stadium last season following his switch from Aston Villa, and earned a call-up to Fabio Capello's England squad in June as a result.

"Gary is the best young centre-half in the country by an absolute mile," said Megson.

"He's had another great season and I believe it's only a matter of time before he plays for England on a regular basis.

"Not only is he an outstanding footballer, he is a great lad to have around the place and I'm delighted that he sees his future lies with Bolton Wanderers."