Donald Trump and Vladimir Putin discussed the possibility of pitting their hockey stars against each other during a call on the fate of Ukraine. While staging battles on ice might not seem like a priority, using sport as a tool of diplomacy could foster a climate of cooperation and ease Russia's re-entry into the global community. There is a playbook for peace-making through sport, as seen with Ping Pong diplomacy between China and the US, sports exchanges on the Korean Peninsula, and attempts to build bridges through cricket between India and Pakistan. Sport has the potential to bring rivals together and create unity and reconciliation.