Born in
Sidcup, Ricketts began his career at
Charlton Athletic in 2000 but made no appearances for the first team. He had a loan spell at
League One club
Milton Keynes Dons in the 2005–06 season. He made his debut in the FA Cup first-round tie at
Lincoln City, and he made seven league and cup appearances for MK Dons. and joined
Gravesend and Northfleet in August 2006. He made 31 appearances in the 2006–07 season, and his performances were rewarded by the newly renamed Ebbsfleet United with a new contract in May 2007. A knee injury that required surgery interrupted the beginning of Ricketts' 2007–08 season, but he returned to the side at the end of September 2007 and went on to make 30 appearances that season. He was put on standby for the
England C squad in February 2008, and collected a winners' medal when Ebbsfleet won the
FA Trophy at
Wembley Stadium in May 2008. He signed a new contract in June 2008. In June 2009, Ricketts signed for
Conference South club
Woking. In 2010, Ricketts was made club captain. Ricketts quickly became a fan favourite at Woking and went on to make over 200 league appearances before leaving in June 2016. On 10 June 2016, Ricketts joined
National League rival
Boreham Wood on a free transfer. On 6 August 2016, Ricketts made his Boreham Wood debut in a 1–0 victory over
Forest Green Rovers, playing the full 90 minutes. On 6 February 2022, Ricketts scored Boreham Wood's only goal in a 1–0 shock away win against
Bournemouth in the FA Cup fourth round. On 4 June 2023, Ricketts agreed to join
Dulwich Hamlet ahead of the 2023–24 campaign following his release from Boreham Wood and ultimately ending his seven-year spell with the side. In April 2024, Ricketts announced that he would retire following the conclusion of the
2023–24 season. ==Coaching career==