Making his first start in a month after an injury, the Tottenham striker netted in the second half of the win over Bournemouth at White Hart Lane.
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The 23-year-old joins elite company with his third straight 20-goal season, as only Premier League legends Alan Shearer, Ruud van Nistelrooy and Thierry Henry have achieved the feat.
Kane scored 21 league goals in his breakthrough 2014/15 season, before hitting 25 Premier League goals in 2015/16.