 His maiden first-class century, a score of 115 not out, was made in his first full season as a professional in 2007 against Hampshire, an innings in which Denly carried his bat.In July 2017 Denly, batting with Sean Dickson, made 182 runs in a second wicket partnership of 382 runs against Northants at Beckenham.This set a new Kent record for any partnership in first-class cricket, surpassing the previous record of 368 runs set in 1990.