Chelsea’s Youngest-Ever First-Team Debutants Revealed
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Chelsea’s Youngest-Ever First-Team Debutants Revealed

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Mahdi Nicoll-Jazuli has become Chelsea’s youngest-ever Premier League player after making his first-team debut at the age of 16 years and 255 days. The academy midfielder came off the bench during Chelsea’s Premier League clash with Brentford last week, adding his name to a growing list of teenagers who have been given opportunities at Stamford Bridge. Nicoll-Jazuli is also the second 16-year-old Chelsea player to make his senior debut this season, following fellow academy midfielder Reggie Watson. Watson made his first appearance from the start against Leeds United in the Carabao Cup, playing the opening 45 minutes as Chelsea recovered from two goals down to win 6-3. Their emergence under manager Xabi Alonso continues Chelsea’s long-standing tradition of promoting young players from the academy. The club has now seen nine players aged 16 make competitive first-team appearances, with several going on to establish themselves at senior level.

The youngest player in Chelsea’s history remains Ian Hamilton, who made his debut at just 16 years and 138 days against Tottenham at White Hart Lane in March 1967. He scored Chelsea’s goal in a 1-1 draw and went on to make five appearances for the club. Kingsley Whiffen follows at 16 years and 157 days, while Reggie Walsh made his debut at 16 years and 193 days during Chelsea’s 2024/25 UEFA Conference League campaign. Watson ranks fourth at 16 years and 226 days, followed by Nicoll-Jazuli at 16 years and 255 days. Tommy Langley made his debut at 16 years and 274 days in 1974 and later became the most experienced player among the group, making 152 appearances and scoring 43 goals. Michael Woods debuted at 16 years and 275 days in 2007, while John Sparrow made his first appearance at 16 years and 283 days during the 1973/74 season, eventually recording 74 appearances. Michael Harrison completes the list, having debuted at 16 years and 360 days in 1957 before going on to make 64 appearances for the Blues. The latest academy breakthroughs highlight the continued pathway from Chelsea’s youth ranks to the senior team.

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Published on September 23, 2026
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