Monday 19 July 2021 12:03, UK
The Hundred will be shown live on Sky Sports during the summer - here is how the men's and women's squads shape up for the new competition...
England centrally-contracted Test players: Chris Woakes, Dom Sibley
Captain: Moeen Ali
Overseas players: Adam Milne (New Zealand), Imran Tahir (South Africa), Finn Allen (New Zealand)
Rest of squad: Pat Brown, Adam Hose, Tom Helm, Benny Howell, Chris Cooke, Liam Livingstone, Tom Abell, Daniel Bell-Drummond, Miles Hammond, Will Smeed, Dillon Pennington
Women's squad: Amy Jones (captain), Shafali Verma (India), Erin Burns (Australia), Katie Mack (Australia), Ria Fackrell, Marie Kelly, Evelyn Jones, Emily Arlott, Kirstie Gordon, Phoebe Franklin, Abtaha Maqsood, Thea Brookes, Gwen Davies, Isabelle Wong, Georgia Elwiss
England centrally-contracted Test players: Zak Crawley
Captain: Eoin Morgan
Overseas players: Josh Inglis (Australia), Mohammad Nabi (Afghanistan), Mohammad Amir (Pakistan)
Rest of squad: Dan Lawrence, Jade Dernbach, Luis Reece, Adam Rossington, Mason Crane, Joe Denly, Roelof Van Der Merwe, Mark Wood, Ravi Bopara, Chris Wood, Blake Cullen
Women's squad: Heather Knight (captain), Deandra Dottin (West Indies), Deepti Sharma (India), Chloe Tryon (South Africa), Naomi Dattani, Amara Carr, Aylish Cranstone, Danielle Gibson, Susie Rowe, Charlie Dean, Freya Davies, Alice Monaghan, Sophie Munro, Tammy Beaumont, Grace Scrivens
England centrally-contracted Test players: Jos Buttler
Overseas players: Lockie Ferguson (New Zealand), Carlos Brathwaite (West Indies), Colin Munro (New Zealand)
Rest of squad: Joe Clarke, Phil Salt, Matt Parkinson, Jamie Overton, Tom Lammonby, Steven Finn, Colin Ackermann, Richard Gleeson, Tom Hartley, Ollie Robinson, Sam Hain, Fred Klaassen
Women's squad: Kate Cross (captain), Harmanpreet Kaur (India), Mignon du Preez (South Africa), Lizelle Lee (South Africa), Danielle Collins, Alice Dyson, Cordelia Griffith, Hannah Jones, Georgie Boyce, Natalie Brown, Ellie Threlkeld, Alex Hartley, Emma Lamb, Sophie Ecclestone, Laura Jackson
England centrally-contracted Test players: Ben Stokes
Overseas players: Faf du Plessis (South Africa, captain), Chris Lynn (Australia), Mujeeb Ur Rahman (Afghanistan)
Rest of squad: Adil Rashid, David Willey, Tom Kohler-Cadmore, Adam Lyth, Brydon Carse, John Simpson, Matthew Potts, Matthew Fisher, Harry Brook, Callum Parkinson, Jordan Thompson, Ben Raine
Women's squad: Lauren Winfield-Hill (captain), Jemimah Rodrigues (India), Laura Wolvaardt (South Africa), Laura Kimmince (Australia), Hollie Armitage, Ami Campbell, Katie Levick, Helen Fenby, Bess Heath, Beth Langston, Linsey Smith, Alice Davidson-Richards, Sterre Kalis, Kalea Moore, Phoebe Graham
England centrally-contracted Test players: Sam Curran, Rory Burns
Overseas players: Sunil Narine (West Indies), Tabraiz Shamsi (South Africa), Colin Ingram (South Africa)
Rest of squad: Tom Curran, Reece Topley, Alex Blake, Jason Roy, Nathan Sowter, Sam Billings, Laurie Evans, Will Jacks, Saqib Mahmood, Brandon Glover, Jordan Clark, Jordan Cox
Women's squad: Dane van Niekerk (South Africa), Marizanne Kapp (South Africa), Shabnim Ismail (South Africa), Georgia Adams, Fran Wilson, Alice Capsey, Jo Gardner, Sarah Bryce, Rhianna Southby, Tash Farrant, Grace Gibbs, Eva Gray, Mady Villiers, Megan Belt, Danielle Gregory
England centrally-contracted Test players: Jofra Archer
Overseas players: Colin de Grandhomme (New Zealand), Quinton de Kock (South Africa), Devon Conway (New Zealand)
Rest of squad: James Vince, Liam Dawson, Chris Jordan, Danny Briggs, Tymal Mills, Delray Rawlins, Alex Davies, George Garton, Ross Whiteley, Max Waller, Craig Overton, Jake Lintott
Women's squad: Stafanie Taylor (West Indies), Smriti Mandhana (India), Amanda-Jade Wellington (Australia), Anya Shrubsole, Danni Wyatt, Maia Bouchier, Tara Norris, Carla Rudd, Paige Scholfield, Lauren Bell, Sonia Odedra, Fi Morris, Sophia Dunkley, Ella McCaughan, Charlotte Taylor
England centrally-contracted Test players: Joe Root
Captain: Lewis Gregory
Overseas players: Rashid Khan (Afghanistan), D'Arcy Short (Australia), Marchant de Lange (South Africa)
Rest of squad: Alex Hales, Matt Carter, Dawid Malan, Tom Moores, Steven Mullaney, Ben Cox, Luke Wood, Luke Wright, Samit Patel, Timm van der Gugten, Sam Cook
Women's squad: Nat Sciver (captain), Rachel Priest (New Zealand), Sammy-Jo Johnson (Australia), Heather Graham (Australia), Katherine Brunt, Kathryn Bryce, Abigail Freeborn, Nancy Harman, Lucy Higham, Ella Claridge, Emily Windsor, Teresa Graves, Michaela Kirk, Sarah Glenn, Alicia Presland
England centrally-contracted Test players: Ollie Pope
Overseas players: Qais Ahmad (Afghanistan), Glenn Phillips (New Zealand), Jimmy Neesham (New Zealand)
Rest of squad: Jonny Bairstow, Tom Banton, Jake Ball, Ben Duckett, Ian Cockbain, Josh Cobb, Matt Critchley, Leus du Plooy, Liam Plunkett, David Payne, Ryan Higgins, David Lloyd
Women's squad: Hayley Matthews (West Indies), Piepa Cleary (Australia), Georgia Redmayne (Australia), Katie George, Alex Griffiths, Georgia Hennessy, Lauren Filer, Sophie Luff, Natasha Wraith, Amy Gordon, Bryony Smith, Sarah Taylor, Bethan Ellis, Alice Macleod, Nicole Harvey