John Anthony James O'Sullivan (born 18 September 1993) is an Irish professional footballer who plays as an attacking midfielder for Accrington Stanley.
Club Career
In the summer of 2009, O’Sullivan, aged 15, joined Premier League side Blackburn Rovers from Dublin-based Belvedere, a youth club that’s well known for its youth system which has successfully produced dozens of players who have gone on to play football throughout the United Kingdom and Ireland.
Working his way through the ranks at Rovers, from the Academy to the Reserves, O’Sullivan begun to be featured in match day squads as an unused substitute during the 2012–13 Football League Championship campaign, the club’s first season back in the second-tier of English football having been relegated from the Premier League in May 2012.
On 4 May 2013, O’Sullivan made his senior professional debut for Rovers in their final game of the season, coming on as a second-half substitute against Birmingham City.
On 9 January 2014, O'Sullivan joined Conference Premier side Southport on a one-month loan deal. On 2 February, the loan was extended until the end of the season. He scored his first goal for Southport on 22 February 2014 in a 3–1 away defeat against Forest Green Rovers.
On 19 September 2014, O'Sullivan joined League Two outfit Accrington Stanley on a one-month loan deal. On 20 October 2014, the loan was extended until 20 December 2014. O'Sullivan scored 4 goals in 13 appearances.
In January 2017, it was announced that O’Sullivan and Blackburn Rovers had agreed to mutually terminate the player’s contract, ending his eight-year association with the Lancashire outfit. In total, O’Sullivan made six first-team appearances for Rovers, having spent a majority of his last three-years with the club out on-loan at Southport, Accrington Stanley, Barnsley, Rochdale and Bury.
In the same month, following his release from Blackburn Rovers, O’Sullivan signed for League Two side Carlisle United on an 18-month-deal. He wa