team (and teammate)
competitor/rival
player
amateur
professional
endorsement
sponsorpship
salary
winnings
earnings
disqualify
medal
steroids
prediction
category
to place first/last
a star
to break a record
host city; to host (the Olympics, the World Cup, etc.)
victory, defeat
spectators
referee
to score a goal
a foul
forfeit
doping
tamper
ingested
injected
whistleblower