sentences:  He made his first class debut in 2007, at the age of 17.Against Gloucestershire, he finished with figures of 12–118, meaning he became the youngest player ever to take 10 or more wickets in a County Championship match, taking 5–52 in the second innings to follow up his first-innings 7–66.Harris rapidly followed this up by becoming the youngest Glamorgan player to score a half century with the bat as he posted an impressive 87 not out in a record 9th wicket partnership of 185 with Robert Croft against Nottinghamshire at Swansea, in only his fourth first class match.