The two teams are ready for their final showdown in the championship.

showdown 是由动词短语 show down（摊牌、亮出底牌）合成的名词，源自扑克牌游戏术语，指"最终对决"或"决定性较量"。在体育比赛中特指"冠军争夺战"或"决胜局"。