See for instanceÂ swimming.org
Olympic medallist Michael Jamieson and World Championship medallist Fran Halsall will lead the European challenge at the 2013 Duel in the Pool when the continentâ€™s best swimmers go head-to-head with world number one swimming nation the USA.
Standing shoulder-to-shoulder with Britain will be French Olympic champions Florent Manaudou, Yannick Agnel and Fabien Gilot for the men, and double Olympic champion Ranomi Kromowidjojo of the Netherlands for the women as they combine for the 37-strong European Allstars.
But they will face a USA team that also features swimmingâ€™s elite such as double Olympic champion Ryan Lochte as well as Olympic champions Kate Ledecky, Conor Dwyer, Shannon Vreeland and Tyler Clary.
Duel in the Pool 2013 will be held at Tollcross International Swimming Centre, home to next yearâ€™s Commonwealth Games swimming, on 20-21 December and provides a unique opportunity for fans to see the worldâ€™s greatest swimmers battle for supremacy in the pool.
The 2013 Duel in the Pool will be streamed live on Sky Sports.
The US team according to USA Swimming:
Women: Cammile Adams, Sarah Denninghoff, Claire Donahue, Jessica Hardy, Meghan Hawthorne, Sarah Henry, Breeja Larson, Katie Ledecky, Micah Lawrence, Caitlin Leverenz, Simone Manuel, Megan Romano, Olivia Smoliga, Kendyl Stewart, Chloe Sutton, Gillian Ryan, Shannon Vreeland.
Men: Tyler Clary, Kevin Cordes, Conor Dwyer, Anthony Ervin, Jimmy Feigen, Nic Fink, Eugene Godsoe, Cullen Jones, Chase Kalisz, Michael Klueh, Ryan Lochte, Tom Luchsinger, Michael McBroom, Matt McLean, Cody Miller, Shane Ryan.
The European All-Stars according to British Swimming:
Women: Sophie Allen (GBR), Jazmin Carlin (GBR), Hannah Miley (GBR), Lauren Quigley (GBR), Francesca Halsall (GBR), Ranomi Kromowidjojo (GBR), Daryna Zevina (UKR), Lotte Friis (DEN), Melanie Costa (ESP), Jeanette Ottesen-Gray (DEN), Camille Muffat (FRA), Charlotte Bonnet (FRA), Femke Heemskerk (NED), Mireia Belmonte GarcÃa (ESP), Michelle Coleman (SWE), Fiona Doyle (IRL), Simona BaumrtovÃ¡ (CZE).
Men: Roberto Pavoni (GBR), Craig McNally (GBR), Robbie Renwick (GBR), Michael Jamieson (GBR), James Guy (GBR), Andrew Willis (GBR), Chris Walker-Hebborn (GBR), Florent Manaudou (FRA), FrÃ©dÃ©rick Bousquet (FRA) , Fabien Gilot (FRA), JÃ©rÃ©my Stravius (FRA), Yannick Agnel (FRA), PÃ¡l Joensen (FAR), Yannick Lebherz (GER), Bence BiczÃ³ (HUN), Konrad Czerniak (POL), RadosÅ‚aw KawÄ™cki (POL), Damir DugonjiÄ (SLO), Velimir StjepanoviÄ‡ (SRB)