1. NBA finals: Celtics win 18th NBA championship, beat Mavericks 106-88 in Game 5  The Associated Press
2. Celtics stomp Mavericks in Game 5, clinch record 18th NBA title  ESPN
3. Boston Celtics beat Dallas Mavericks in NBA finals to win record 18th title  The Guardian
4. Celtics capture 18th NBA championship with Game 5 win over Mavericks  Fox News
5. Celtics’ 18th NBA title is defined by team  USA TODAY

Source: Google Finance – Market News