He was released by Bristol City in May 2009 and joined Scottish Premier League club Dundee United on a free transfer a month later.

After a season at Dundee United, Myrie-Williams moved to St Johnstone on a free transfer, making five appearances, before leaving the club in January 2011.

Myrie-Williams joined Port Vale on a six-week loan spell in November 2011, and following his release by Stevenage in May 2012, signed for the club permanently two months later.

Myrie-Williams left Hereford in October 2018 and spent the remainder of the 2018–19 season at National League South club Weston-super-Mare, before joining Gloucester City in June 2019.

[4] Having progressed through the youth system at Bristol City,[5] he made his first-team debut for the club on the last day of the 2005–06 season, coming on as a 61st-minute substitute in a 1–0 defeat at Southend United on 6 May 2006.

[11] Myrie-Williams made 35 appearances for the club during the 2006–07 season, scoring twice, as Bristol City earned automatic promotion to the Championship after finishing in second place.

[12][13][14] Ahead of the 2007–08 season, Bristol City manager Gary Johnson stated his intention to send Myrie-Williams out on loan to gain first-team experience.

[15] Johnson believed that Myrie-Williams would only benefit from a loan move to a League One club, given that he was playing in the third tier of English football before Bristol City's promotion to the Championship during the 2006–07 campaign.

[23] He made 13 appearances for Cheltenham during his three-month loan spell, scoring one goal and he returned to his parent club in early November 2007.

[30] He scored his third goal of the campaign on 5 April 2008, with a header from Andrew Taylor's cross in the third minute to give Tranmere the lead away at Walsall.

[32] On bringing Myrie-Williams back to the club, Cheltenham manager Keith Downing said "Jennison is an exciting young player who will give us some different options.

[32] He made his second debut for the club four days later, scoring with a header in the 80th-minute to ensure Cheltenham picked up their first victory of the 2008–09 season with a 2–0 win against Swindon Town.

[46] He joined Dundee United on a free transfer on 12 June 2009, signing a two-year contract with the Scottish Premier League club.

[48] He made his first league start on 17 October 2009, playing 84 minutes in a 1–1 home draw against Hamilton Academical,[49] earning the man of the match award for his performance.

[59] Myrie-Williams signed for another Scottish Premier League club in the form of St Johnstone on 14 September 2010, joining on a free transfer.

[64] Shortly after the game, he was told by manager Derek McInnes that he was free to find a new club, with his contract expiring at the end of January 2011.

[56] Shortly after leaving St Johnstone, Myrie-Williams opted to move back to England, signing for League Two club Oxford United on 27 January 2011 for the rest of the 2010–11 campaign.

[74][75] After making four successive substitute appearances, Myrie-Williams started his first match for the club on 24 September, playing 45 minutes in a 1–0 defeat to Carlisle United at Brunton Park.

[79] During the game, he impressed manager Micky Adams — "He (Myrie-Williams) lifted me, as I'm asking people to be positive and show character, because the fans are disappointed with the way things have gone recently, and we need to give them something to shout about, which I believe he did.

[83] He returned to Broadhall Way in January having scored one goal in six games for Port Vale, who were unable to extend the loan deal due to an acute lack of funds.

[86][87] League Two club Bradford City also spoke to Stevenage with a view to bringing in Myrie-Williams, although "the chase was put on hold" following Westley's departure[85] — with new manager Gary Smith wishing to evaluate the squad.

Myrie-Williams joined Port Vale on a free transfer on 2 July 2012, signing a two-year contract after having impressed during his brief loan spell at the club during the 2011–12 season.

[98] He lost his first-team place in mid-October of the 2013–14 season after Adams changed system, before he marked his return to the starting line-up with a brace against Shortwood United in the FA Cup.

"Myrie-Williams rejected a contract with Port Vale to sign a two-year deal with newly promoted League One club Scunthorpe United on 11 June 2014.

[103] Tranmere were relegated out of the Football League at the end of the 2014–15 season, and Myrie-Williams became a free agent in the summer after his contract with Scunthorpe was cancelled by mutual consent.

[112] Myrie-Williams joined National League club Torquay United on non-contract terms on 15 September 2017, arriving two days after the appointment of head coach Gary Owers.

[3] Myrie-Williams believes that his strongest attribute is that he "loves running at defenders", as well as being "pretty confident with the ball at his feet" and "not being afraid to take anyone on due to his pace".

[3][130] In June 2009, former footballer turned pundit Steve Claridge stated that Myrie-Williams was "an exciting prospect" due to his style of play.

[3] He also claimed Myrie-Williams was a "priceless asset" in terms of turning defence into attack and relieving defensive pressure — "Whenever he was given time and space to run at the opposition he looked dangerous and comfortable with the ball at his feet.

[4] He states that the biggest influence in his life is his mother, as well as saying that former Bristol City manager Gary Johnson "really looked after him" during his time at the club.