What is a walk-off in baseball? How DBacks' Ketel Marte made history

Ketel Marte Walks Off the Phillies in Game 3 - Burn City Sports

Marte hits walk-off single in ninth, D-backs beat Phillies 2-1 and close to 2-1 in NLCS

Marte, Diamondbacks strike back

Ketel Marte: Arizona Diamondbacks 2B Had Perfect Response When Asked About Walk-Off Win vs. Phillies - Sports Illustrated

Ketel Marte's clutch walk-off hit, 10/19/2023

Marte hits walk-off single in ninth, D-backs beat Phillies 2-1 and close to 2-1 in NLCS

Marte hits walk-off single in ninth, D-backs beat Phillies 2-1 and close to 2-1 in NLCS

Late-Inning Home Runs Propel Diamondbacks Past Guardians

Ketel Marte Delivers Diamondbacks Walk-Off Win Against Phillies - Sports Illustrated

Walker's sacrifice fly in the 8th inning leads Diamondbacks to a 5-2 win over the Reds - The San Diego Union-Tribune

D-backs survive wild Opening Day with walk-off win over Giants

Rockies lose on walk-off in Arizona – The Durango Herald