his Grimsby debut against Bradford City. He scored six goals in fourteen games for the Mariners. Grimsby manager Paul Groves put forward his plans to land the striker on a permanent deal. However, his performances had caught the eye of rivals Sheffield United who made an official approach to sign Kabba. In turn the Grimsby Telegraph ran a campaign which they named "Stay Steve" in which supporters were given paper pull outs to hold up on Kabba's final game for the club. Sheffield United Grimsby could not compete with United's bid and this eventually saw him join the Blades in November 2002 for a fee of £250,000. In his first season his eleven goals in 33 games helped the team reach two domestic cup semi-finals and the First Division play-off final. Scoring a goal for United against rivals Leeds United. His good rapport with Grimsby fans was shattered when he goaded them seconds after scoring for United in their 4–1 victory at Blundell Park, this despite having received a warm reception by the home supporters. Kabba continued his good form under Neil Warnock and after this successful first season his career was interrupted by a sequence of leg injuries allowing him just one appearance as a substitute in over a year. He returned to fitness at the end of 2004–05 Championship season. Ultimately Kabba would appear less than 100 times in his five years at the club. During a clear out at Bramall Lane he was transfer listed on 22 December 2006 along with seven other players. He made only a handful of Premier League appearances for the Blades and his last appearance was as a substitute against West Ham United in November 2006. Watford His next move was to move back down south to sign for Watford, who like Sheffield United were struggling as Premier League newcomers. He signed for an initial fee of £500,000 (which rose to £750,000) on 26 January 2007, signing a two-and-a-half-year contract. On 31 January 2007 he played his first Premier League match for Watford against Manchester United. On 2 February 2008 Kabba scored his first goal in nearly two years in a 3–0 league win over Wolverhampton Wanderers. On 11 July 2008 Kabba joined fellow Championship club Blackpool on loan until 1 January 2009. After suffering an injury he finally made his debut for the club as a 90th-minute substitute on 16 August