Usage patterns
〈場所〉代表の選手a player representing 〈place〉
He competed in the tournament as a player representing Japan.
選手として出場するto compete/participate as a player
She participated in the Olympics as an athlete.
選手を育てるto develop/train athletes
This coach has trained many excellent athletes.
選手に選ばれるto be selected as a player
He was delighted to be chosen as a representative player.
選手が引退するfor a player to retire
That player will retire at the end of this season.