Sussex's teenage batsman Tom Haines has signed a new contract with the club.
The 19-year-old, who signed his first professional terms with the county 10 months ago, has played four first-class matches for Sussex since making his debut in August 2016.
The Sussex Academy graduate, who scored his maiden first-class century earlier this season when he made 124, said: "I am delighted to have signed a new contract here at my home club and I am looking forward to seeing what the future holds."
Meanwhile, the county's Australian head coach Jason Gillespie added: "Tom's a young player who I believe has a big future in the game and I am very pleased that he has signed on with the club for the next chapter of his career.
"He made the most of his call-up against Durham in the Championship earlier this season and I am sure that if he continues to perform he will have plenty more opportunities to come."
Haines has scored 154 runs for Sussex, 13/5 to win the Vitality Blast this year, at an average of 30.8.
Meanwhile, Sussex are available at 1212/1 to win the County Championship Division 2 title this season.
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