NBA playoffs history: Has team down 3-0 been able to force Game 7? - DraftKings Network
2015 Cubs and 2004 Red Sox have some common bonds - ESPN - Stats & Info- ESPN
Down 3-0, it's looking grim for the Boston Celtics - CBS Boston
NBA playoffs: Heat dominate Celtics to take towering 3-0 game lead
Celtics comeback chances: What happens when teams are down 3-0?
The Boston Celtics could be the first NBA team to comeback from a 3-0 playoff deficit - Pounding The Rock
List of teams that have come back from a 3-1 deficit to win a playoff series in NBA history
The Teams that Came Back from a 3-0 Deficit
Miami Heat Face 3-1 Deficit in NBA Finals After Game 4 Loss to Nuggets - The New York Times