he was an fa cup winner with chelsea, as they beat middlesbrough 2–0 in the 1997 final. the following season, sinclair scored for chelsea in the league cup final, again over middlesbrough, in a 2–0 win, but his first team chances were starting to become limited, as new manager gianluca vialli built a new team, which consisted mostly of continental stars. he was not in the squad that won the uefa cup winners' cup in the same season as the league cup triumph.