Swimmer, one forced out by American team (5)
I believe the answer is:
squad
'team' is the definition.
(sports team)
I don't understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for squad that I've seen before include "Small group of soldiers or police" , "Military detachment" , "Body of soldiers" , "Sporting team - police unit" , "Detail" .)