Here's how the men's and women's squads look for the 2023 edition of The Hundred, which runs from August 1-27.
Men's squads
Birmingham Phoenix
England centrally-contracted player: Chris Woakes
Overseas players: Shadab Khan (Pakistan), Adam Milne (New Zealand), Kane Richardson (Australia), Tanveer Sangha (Australia)*
*Sangha will replace Shadab from August 14
Rest of squad: Moeen Ali, Ben Duckett, Liam Livingstone, Benny Howell, Will Smeed, Jamie Smith, Tom Helm, Miles Hammond, Chris Benjamin, Dan Mousley, Jacob Bethell, Henry Brookes
London Spirit
England centrally-contracted player: Mark Wood
Overseas players: Matthew Wade (Australia), Nathan Ellis (Australia), Daryl Mitchell (New Zealand)
Rest of squad: Liam Dawson, Dan Lawrence, Zak Crawley, Jordan Thompson, Mason Crane, Adam Rossington, Chris Wood, Ravi Bopara, Michael Pepper, Daniel Bell-Drummond, Matt Critchley, Dan Worrall
Manchester Originals
England centrally-contracted player: Jos Buttler
Overseas players: Ashton Turner (Australia), Josh Little (Ireland), Usama Mir (Pakistan), Zaman Khan (Pakistan)*
*Zaman will replace Little from August 16 but Little will return should Originals make the knockout stage
Rest of squad: Phil Salt, Laurie Evans, Jamie Overton, Tom Hartley, Richard Gleeson, Paul Walter, Josh Tongue, Wayne Madsen, Tom Lammonby, Mitchell Stanley, Max Holden, Ben Raine
Northern Superchargers
England centrally-contracted player: Ben Stokes
Overseas players: Matthew Short (Australia), Wayne Parnell (South Africa), David Wiese (Namibia)
Rest of squad: Adil Rashid, Harry Brook, Reece Topley, Tom Banton, Adam Lyth, Adam Hose, Brydon Carse, Matthew Potts, Bas de Leede, Callum Parkinson, Ollie Robinson, Saif Zaib
Oval Invincibles
England centrally-contracted player: Sam Curran
Overseas players: Sunil Narine (West Indies), Heinrich Klaasen (South Africa), Ihsanullah Khan (Pakistan), Adam Zampa (Australia)*, Jimmy Neesham (New Zealand)*
*Zampa will replace Narine when he leaves for the Caribbean Premier League; Neesham will replace Klaasen from August 20
Rest of squad: Will Jacks, Jason Roy, Tom Curran, Sam Billings, Ross Whiteley, Jordan Cox, Gus Atkinson, Danny Briggs, Nathan Sowter, Tawanda Muyeye, Zak Chappell, Tom Lawes
Southern Brave
England centrally-contracted player: Jofra Archer
Overseas players: Tim David (Australia), Devon Conway (New Zealand), Finn Allen (New Zealand), Mitchell Santner (New Zealand)*
*Santner will replace David from August 20
Rest of squad: Leus du Plooy, James Vince, Chris Jordan, Tymal Mills, Rehan Ahmed, Craig Overton, George Garton, James Fuller, Alex Davies, Joe Weatherley, Jafer Chohan, Matt Fisher
Trent Rockets
England centrally-contracted player: Joe Root
Overseas players: Imad Wasim (Pakistan), Colin Munro (New Zealand), Daniel Sams (Australia), Ish Sodhi (New Zealand)*
*Sodhi will replace Rashid from August 10
Rest of squad: Tom Kohler-Cadmore, Dawid Malan, Alex Hales, Lewis Gregory, Luke Wood, Sam Cook, Samit Patel, Sam Hain, Brad Wheal, Matt Carter, John Turner, Tom Moores
Welsh Fire
England centrally-contracted player: Jonny Bairstow
Overseas players: Shaheen Afridi (Pakistan), Glenn Phillips (New Zealand), Haris Rauf (Pakistan)
Rest of squad: Tom Abell, David Willey, Joe Clarke, Ben Green, David Payne, Roelof van der Merwe, Jake Ball, Stephen Eskinazi, Dan Douthwaite, George Scrimshaw, Luke Wells, Chris Cooke
Women's squads
Birmingham Phoenix
Overseas players: Sophie Devine (New Zealand), Erin Burns (Australia)
Rest of squad: Amy Jones, Eve Jones, Issy Wong, Emily Arlott, Hannah Baker, Katie Levick, Abtaha Maqsood, Chloe Brewer, Sterre Kalis, Davina Perrin, Abbey Freeborn, Charis Pavely
London Spirit
Overseas players: Amelia Kerr (New Zealand), Grace Harris (Australia), Richa Ghosh (India)
Rest of squad: Heather Knight, Charlie Dean, Danielle Gibson, Sarah Glenn, Sophie Munro, Sophie Luff, Grace Scrivens, Tara Norris, Niamh Holland, Lauren Filer, Chloe Hill, Alice Monaghan
Manchester Originals
Overseas players: Deandra Dottin (West Indies), Laura Wolvaardt (South Africa), Amanda-Jade Wellington (Australia)
Rest of squad: Sophie Ecclestone, Kathryn Bryce, Emma Lamb, Katie George, Ellie Threlkeld, Ami Campbell, Fi Morris, Phoebe Graham, Amara Carr, Liberty Heap, Mahika Gaur, Laura Jackson
Northern Superchargers
Overseas players: Jemimah Rodrigues (India), Georgia Wareham (Australia), Phoebe Litchfield (Australia)
Rest of squad: Kate Cross, Alice Davidson-Richards, Linsey Smith, Hollie Armitage, Bess Heath, Marie Kelly, Aylish Cranstone, Georgie Boyce, Lucy Higham, Leah Dobson, Grace Ballinger, Grace Hall
Oval Invincibles
Overseas players: Marizanne Kapp (South Africa), Dane van Niekerk (South Africa), Suzie Bates (New Zealand)
Rest of squad: Alice Capsey, Lauren Winfield-Hill, Mady Villiers, Paige Scholfield, Eva Gray, Ryana MacDonald-Gay, Sophia Smale, Cordelia Griffith, Hannah Rainey, Kira Chathli, Claudie Cooper, Lizzie Scott
Southern Brave
Overseas players: Smriti Mandhana (India), Chloe Tryon (South Africa), Maitlan Brown (Australia)
Rest of squad: Anya Shrubsole, Lauren Bell, Maia Bouchier, Freya Kemp, Danni Wyatt, Georgia Adams, Kalea Moore, Rhianna Southby, Danielle Gregory, Seren Smale, Ellie Anderson, Mary Taylor
Trent Rockets
Overseas players: Harmanpreet Kaur (India), Lizelle Lee (South Africa), Alana King (Australia)
Rest of squad: Nat Sciver-Brunt, Katherine Sciver-Brunt, Bryony Smith, Kirstie Gordon, Grace Potts, Jo Gardner, Fran Wilson, Alexa Stonehouse, Naomi Dattani, Josie Groves, Nat Wraith, Cassidy McCarthy
Welsh Fire
Overseas players: Hayley Matthews (West Indies), Shabnim Ismail (South Africa), Laura Harris (Australia)
Rest of squad: Sophia Dunkley, Tammy Beaumont, Georgia Elwiss, Freya Davies, Alex Hartley, Claire Nicholas, Sarah Bryce, Emily Windsor, Ella McCaughan, Alex Griffiths, Chloe Skelton, Kate Coppack