List of teams to overcome 3–1 series deficits - Wikipedia
Percentage of NFL teams that make the playoffs at any point in the season - early season games really are important! : r/nfl
The Teams that Came Back from a 3-0 Deficit
Best 0-3 comeback attempts in MLB postseason
Absent Celtics pride most embarrassing as Boston falls down 0-3 – New York Daily News
NFL teams to make playoffs after 0-2 starts: History shows why Cowboys, others could be in trouble with Week 2 losses
Which 0-2 NFL Teams Have Best Playoff Odds? Are the Bengals Already Buried?
Mike Richards, part of two huge playoff comebacks, knows it can happen
NBA playoffs: Celtics have one big advantage over other teams that rallied from 0-3 to force Game 7
Steelers have rebounded from 0-3 starts but never made playoffs
What the history of NBA teams trailing 3-0 in series means for Celtics – NBC Sports Boston
List of teams that have come back from a 3-1 deficit to win a playoff series in NBA history