He then dropped to the second tier of football in England, initially with Southampton, where he spent two years, before his move to Blackpool in 2009, where he was part of the team which won promotion to the Premier League.

He established himself as a regular first team player in the 1998–99 season, making a total of 43 appearances, including 33 in the league and scoring ten goals.

Along the way Euell scored twice on four occasions this season against Sheffield Wednesday,[8] Tranmere Rovers,[9] Preston North End[10] and Queens Park Rangers.

In July 2001, Charlton Athletic signed him for a club record fee of £4.75 million, bringing him back to the Premier League.

[14] His first goal for the Addicks came in the third round of the League Cup on 9 October in a 1–0 win over West Bromwich Albion at the Hawthorns.

[24] However, he was sent–off for a second bookable offence in the 63rd minute when he made a "reckless tackle" on Gary Neville, in a 2–0 loss against Manchester United on 13 September 2003.

[27] After serving a three match suspension,[28] and despite being sidelined twice later in the season,[29][30] he later scored twice against Wolverhampton Wanderers[31] and Leeds United, a victory that ultimately saw them relegated.

[41] Following his return from injury in December,[42] Euell failed to get back into the first team, scoring only once all season,[43] although he turned down a transfer to Birmingham City in January 2006.

[48] In a 0–0 draw against Liverpool on 18 November 2006, Euell was racially abused by Middlesbrough fan David Harton, leading him to be banned from attending football matches for three years.

[51] He made his Saints debut the following day as a 64th-minute substitute for Andrew Surman in a 3–0 win over Queens Park Rangers at Loftus Road.

[61] After the summer transfer window closed, Manager Poortvliet was considering his choices to let Euell return to the first team.

[62] After dislocating his shoulder that kept him out for a month,[63] Euell made his first appearance of the season, starting the whole game, in a 1–1 draw against Coventry City on 28 October 2008.

[64] However, in a 2–1 loss against Wolverhampton Wanderers on 15 November 2008, Euell received a straight red card after "he and Richard Stearman both dived in feet first for a loose ball but the Wolves man came off by far the worst.

"[65] After serving a match ban, Euell returned to the starting eleven, where he set up a goal for Surman, in a 3–2 win over Burnley on 13 December 2008.

At the end of the 2008–09 season, Euell, along with Bradley Wright-Phillips, were told that they do have a future at the club but would be offered a new contract on a vastly reduced terms.

[69][70] Prior to his release in May, local newspaper Daily Echo predicted that Euell were amongst the players to leave, due to his then being the highest earner at the club.

Of the move Euell said, "I had a meeting with Ian Holloway last week and it was a good, funny chat to discuss football as well as other things.

"[73] On 8 August 2009, he made his debut, and captained the team, as the Seasiders started the 2009–10 season with a 1–1 draw with Queens Park Rangers at Loftus Road.

[77] Although his role was later reduced to the substitute bench and played in the reserve side later in the season,[78] Euell went on to score 2 more goals, adding his tally to 4 in the total of 35 appearances.

Blackpool manager Ian Holloway, who had to restrain Euell, was furious in his post-match interview, saying: "We are human beings and Jason is a footballer.

"[82] Euell received an official apology from Stoke City, who confirmed that they would "impose the toughest possible sanctions" on the supporter accused of racial abuse.

[83] In the wake of the incident, Tottenham Hotspur manager Harry Redknapp called for fans who racially abuse players to be imprisoned, saying: "That is disgusting – there's no place for that in the game.

[88] Euell made two more Premier League appearances, against Aston Villa and Birmingham City, before falling down the pecking order.

[90] After lack of first team appearance, He joined Doncaster Rovers on loan for a month from 18 February 2011, subject to clearance from the Premier League.

[96] After being released by Blackpool, Euell made a surprise addition to the Charlton squad for their friendly against Woking after handed a 20-minute run-out as a substitute which the result was 0–0.

[101] Although he began to play part-time for the side,[102] Euell scored his second goal for the club since returning on 3 December in the FA Cup 2nd round against Carlisle.

[114] In the same year of October, Euell spoke out his opposition against a possible English application of the "Rooney Rule" to ensure that compulsory ethnic minority candidates are interviewed for managerial positions.

[124] On 28 June 2022, Euell joined Bristol City as first team coach working alongside manager Nigel Pearson.

After being an unused substitute for England's opening game in Group F, a 2–1 victory over Ivory Coast on 18 June,[128] he made his debut two days later as a 64th minute replacement for Michael Owen in a 5–0 win over United Arab Emirates.

"[132] It wasn't until October for Euell to finally be cleared to play for Jamaica after the original claim was turned down by the FIFA's players status committee.