Middlesex and England fast bowler Toby Roland-Jones will miss the remainder of the 2018 season with a back injury.
Middlesex seamer James Harris says he still hopes to play international cricket for England after starting his 12th season in first-class cricket.
County players express fears about signing contracts beyond 2019 as part of wider concerns about the structure of the domestic game.
Worcestershire's New Road home is fit to stage the County Championship game with Nottinghamshire, which starts on Friday.
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Glamorgan chief executive Hugh Morris says the addition of Australian Usman Khawaja will be a be boost for the T20 Blast.
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How to get into cricket
How to get into cricket - physical exertion with a chess-like element in matches which range from half an hour to five days.