Surrey duo Jordan Clark and Conor McKerr sign deals to keep them at the club until the end of the 2022 season.
Experienced spinner Gareth Batty and all-rounders Rikki Clarke and Gus Atkinson sign new one-year contracts with Surrey.
Surrey and Nottinghamshire draw their final Division One match of the season as no play is possible on the final day.
Surrey and England batsman Ollie Pope makes his eighth first-class hundred, but their game against Notts looks set for a draw.
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England limited-overs captain Eoin Morgan stars for Middlesex with a swashbuckling 70 alongside Steven Finn who finished with figures of 5-16 as they thrashed Surrey by 64 runs in the T20 Blast at Lord's.
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