Byron graduated through the ranks at Cardiff City, and signed his first professional contract in July 2003.

The central defender faced strong competition for a first team place at Ninian Park as the likes of Danny Gabbidon, James Collins and Spencer Prior were at the club.

He made his first team debut for the Bluebirds in a Carling Cup Tie against MK Dons in September 2004 and he scored in his side's 4-1 win. He made a substitute appearance in the next round of the competition, against Bournemouth, and scored in the penalty shootout that followed a 3-3 draw.

Released by Cardiff at the end of the 2005/06 season, he spent the entire pre season on trial at the Memorial Stadium and was given a one year contract just before the start of the 2005/06 campaign.

The tough tackling defender made his debut in the home win against Grimsby on 12th August that year and quickly established himself as a regular member of the first team squad.

He was on the bench for the Johnstone's Paint Trophy Final in 2007, having only just returned from injury, but any disappointment he had about missing the game at the Millennium Stadium was forgotten as he played a major part in the play off final victory against Shrewsbury at Wembley.

In 2009/10 he made a total of 37 league appearances, including a number at right back towards the later stages of the season.

Last season he demonstrated his versatility, as he played in all positions across the back four, and was one of the club's most consistent performers.

His debut league goal for Rovers was scored against Nottingham Forest on 1st September 2007.

Contracted to the club until the end of the current season, Byron is a former Welsh Youth international, and has also won eight U-21 caps for his country.