Find out the latest movements on the men's county circuit ahead of the 2021 County Championship, T20 Blast and Royal London Cup
Overseas players: Dustin Melton (Zimbabwe), Billy Stanlake (Australia)
Players in: Brooke Guest (Lancashire), Nick Potts (youth)
Players out: Tony Palladino (retired)
Overseas players: Cameron Bancroft (Australia, County Championship), Will Young (New Zealand, County Championship - first three games), David Bedingham (South Africa)
Players in: Scott Borthwick (Surrey), Alex Thomson (Warwickshire, two-month loan)
Players out: James Weighell (released), Ben Whitehead (released), Sol Bell (released), Josh Coughlin (released), Nathan Rimmington (released), Scott Steel (Leicestershire), Gareth Harte (released)
Overseas players: Simon Harmer (South Africa), Peter Siddle (Australia), Jimmy Neesham (New Zealand, T20 Blast)
Players in: Jimmy Neesham (T20 Blast)
Players out: Rishi Patel (Leicestershire)
Overseas players: Marnus Labuschagne (Australia), Colin Ingram (South Africa, T20 Blast), Michael Neser (Australia), Andrew Balbirnie (Ireland, County Championship)
Players in: James Weighell (Durham)
Players out: Kieran Bull (released), Connor Brown (released), Owen Morgan (Worcestershire), Graham Wagg (released), Marchant de Lange (Somerset)
Overseas players: Dan Worrall (Australia), Glenn Phillips (New Zealand, T20 Blast)
Players in: Jared Warner (Yorkshire)
Players out: Gareth Roderick (Worcestershire), Stuart Whittingham (retired), George Drissell (released)
Overseas players: Kyle Abbott (South Africa), Mohammad Abbas (Pakistan, County Championship), Colin de Grandhomme (New Zealand, T20 Blast), D'Arcy Short (Australia, T20 Blast)
Players in: George Munsey (T20 Blast), Josh Croom (youth)
Players out: Harry Came (released), Oli Soames (released)
Overseas players: Miguel Cummins (West Indies, County Championship), Qais Ahmad (Afghanistan, T20 Blast) Adam Milne (New Zealand, T20 Blast)
Players in: Nathan Gilchrist (Somerset), Tawanda Muyeye
Players out: Calum Haggett (retired), Ivan Thomas (released)
Overseas players: Dane Vilas (South Africa), Finn Allen (New Zealand, T20 Blast), Shreyas Iyer (India, One-Day Cup)
Players in: Jack Blatherwick (Northamptonshire), Luke Wells (Sussex)
Players out: Brooke Guest (Derbyshire), Toby Lester (released), Stephen Parry (released)
Overseas players: Marcus Harris (Australia, County Championship, One-Day Cup), Naveen-ul-Haq (Afghanistan, T20 Blast)
Players in: Scott Steel (Durham), Rishi Patel (Essex), Ed Barnes (Yorkshire), Josh Inglis (T20 Blast)
Players out: Tom Taylor (Northamptonshire), Paul Horton (retired), Mark Cosgrove (released)
Overseas players: Peter Handscomb (Australia), Mujeeb ur Rahman (Afghanistan, T20 Blast, seven games), Paul Stirling (Ireland, T20 Blast), Chris Green (Australia, T20 Blast, seven games) Daryl Mitchell (New Zealand, T20 Blast)
Players in:
Players out: Dan Lincoln (released)
Overseas players: Mohammad Nabi (Afghanistan, T20 Blast), Wayne Parnell (South Africa)
Players in: Tom Taylor (Leicestershire)
Players out: Rob Newton (released), Brett Hutton (Nottinghamshire), Blessing Muzarabani (released), Tom Sole (released)
Overseas players:
Players in: Brett Hutton (Northamptonshire), Toby Pettman, Dane Schadendorf
Players out: Jack Blatherwick (Lancashire), Chris Nash (released)
Overseas players: Marchant de Lange (South Africa), Devon Conway (New Zealand, 9 x T20 Blast matches, 2 x County Championship - June 23-July 18)
Players in:
Players out: Nathan Gilchrist (Kent), Jamie Overton (Surrey), Dom Bess (Yorkshire)
Overseas players: Hashim Amla (South Africa), Kemar Roach (West Indies, County Championship), Sean Abbott (Australia, County Championship), Kyle Jamieson (7x T20 Blast, 2x County Championship)
Players in: Jamie Overton (Somerset)
Players out: Scott Borthwick (Durham), Morne Morkel (released)
Overseas players: Travis Head (Australia), Stiaan van Zyl (South Africa), Rashid Khan (Afghanistan, T20 only), David Wiese (South Africa, T20 only)
Players in: Jamie Atkins (youth), Henry Crocombe (youth), Jack Carson (youth), Sean Hunt
Players out: Harry Finch (released), Luke Wells (Lancashire), Danny Briggs (Warwickshire), Will Sheffield (released)
Overseas players: Carlos Brathwaite (West Indies, T20 Blast), Pieter Malan (South Africa, County Championship), Hanuma Vihari (India, County Championship), Chemar Holder (West Indies, County Championship)
Players in: Danny Briggs (Sussex), Manraj Johal (youth), Jacob Bethell
Players out: Tim Ambrose (retired), Ian Bell (retired), Jeetan Patel (retired), Liam Banks (released)
Overseas players: Alzarri Joseph (West Indies, County Championship), Sandeep Lamichhane (Nepal, T20 Blast), Ben Dwarshuis (Australia, T20 Blast)
Players in: Gareth Roderick (Gloucestershire), Alzarri Joseph (County Championship)
Players out: Olly Westbury (released), Ben Twohig (released), Wayne Parnell (released)
Overseas players: Duanne Olivier (South Africa), Lockie Ferguson (New Zealand, T20 Blast)
Players in: Dom Bess (Somerset), Ben Birkhead, George Hill, Dominic Leech, Tom Loten, Josh Sullivan, James Wharton, Matthew Revis, Josh Sullivan, Harry Duke (all youth)
Players out: Jared Warner (Gloucestershire), James Logan (released), Ed Barnes (Leicestershire)