Ex-England and Yorkshire bowler Ryan Sidebottom joins Surrey as a bowling consultant to work alongside Geoff Arnold.
Surrey appoint Vikram Solanki as assistant head coach, with Stuart Barnes leaving the club for other opportunities.
Surrey all-rounder Scott Borthwick signs a new contract, and will remain at The Oval until the end of the 2020 season.
Gareth Batty steps down as captain of Surrey, and is replaced by Rory Burns for first-class and One-Day Cup matches.
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Former Sri Lanka captain Kumar Sangakkara reflects on his career as he plays his final first-class match for Surrey.
Analysis and opinion from the BBC's cricket correspondent.
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BBC Sport brings you live radio commentary from England's winter tour of New Zealand.
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How to get into cricket - physical exertion with a chess-like element in matches which range from half an hour to five days.