闘球 is read as とうきゅう (toukyuu) and means rugby.
とうきゅう
toukyuu
とうきゅうばん
disk-flicking game
たたかう
to compete (against)
とうそう
fight
とうびょう
fighting against an illness
とうし
fighting spirit
fighter (for)
とうぎゅう
fighting bull
とうびょうせいかつ
one's life under medical treatment
とうそうしん
belligerence
とうぎじょう
arena
とうき
とうがまえ
kanji "fighting" radical