2004 ALCS Gm1: Bellhorn doubles off Mussina in 7th
Dream Bracket 2: 2004 Red Sox vs 2001 Mariners
October 18, 2004: David Ortiz's walk-off single in 14th lifts Red Sox in Game 5 – Society for American Baseball Research
Blood and Guts - Sports Illustrated Vault
Red Sox best-ever home run rankings: The 10 greatest in team history - The Athletic
2004 ALCS Gm 6: Bellhorn's 3-Run Shot, Mark Bellorn, everybody!, By Boston Red Sox
Mark Bellhorn - 2004 World Champions
Red Sox best-ever home run rankings: The 10 greatest in team history - The Athletic
2004 ALCS Gm7: Bellhorn's late homer pads Sox lead
Red Sox best-ever home runs, leftover edition: J.D. Drew, Mark Bellhorn, more - The Athletic
October 23, 2004: Red Sox continue momentum with Game 1 win in World Series – Society for American Baseball Research
WS2004 Gm2: Red Sox take 4-1 lead on Bellhorn double