Team game (6)
(Other definitions for hearts that I've seen before include "Red suit" , "Playing card suit" , "not clubs" , "They beat" , "Red playing cards" .)
'team game' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for hockey that I've seen before include "Game with a bully-off" , "SPORT/GAME" , "Sport involving curved sticks, a ball and goals" , "Game using stick with curved end" , "Eleven-a-side field game" .)
(Other definitions for lacrosse that I've seen before include "Game played with nets on sticks" , "Game played with netted sticks" , "Game played with a netted stick" , "Score's uncertain after the Spanish" , "Like thirteen of the other clues in the French" .)