Middlesex and Australia all-rounder Hilton Cartwright agrees to extend his stay with the county until the end of June.
Ex-Australia vice-captain David Warner will resume his club career with Randwick Petersham while serving a year-long ban for ball-tampering.
Fast-bowler Billy Stanlake will no longer join Yorkshire after Cricket Australia pulled him out of the move.
Essex captain Ryan ten Doeschate praises the passion of Australia bowler Peter Siddle in his time with the county champions.
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Australian batsman Shaun Marsh says playing alongside Michael Hogan again was among his reasons for joining Glamorgan.
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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.