These teams came back from 3-1 postseason deficits
2015 Cubs Victories Revisited, September 1: Cubs 5, Reds 4 - Bleed Cubbie Blue
3 to 1 deficit baseball playoff rallies
1989 Cubs Historical Heroes and Goats: Part 14 - Bleed Cubbie Blue
Best 0-3 comeback attempts in MLB postseason
NBA Playoffs: How many times has a team come back from a 3-0 deficit? – NBC Sports Chicago
David Bote: Breaking News, Rumors & Highlights
3 to 1 deficit baseball playoff rallies
David Ortiz is the only player elected to the Hall of Fame by the BBWAA in the last two years - Bleed Cubbie Blue
List of teams to overcome 3–0 series deficits - Wikipedia
Cubs 3, Mets 1: Signs of life - Bleed Cubbie Blue
Biggest 180s: 2004 Red Sox come back from 3-0 deficit to beat Yankees
Every MLB Team's Most Legendary Postseason Home Run, News, Scores, Highlights, Stats, and Rumors
A brief history of amazing comebacks from 3-games-to-1 deficits in the LCS - Sports Illustrated
Today in Cubs history: 'The Cubs have won the pennant!' - Bleed Cubbie Blue