Davis worked Chapman to a 2-2 count before hitting the homer on the seventh pitch of the at-bat.
MORE: Most memorable Game 7s in World Series history
The Indians trailed 6-3 entering the inning. Jon Lester, who had pitched three innings of relief, gave up a single, which prompted manager Joe Maddon to bring in Chapman, Brandon Guyer hit an RBI double, and Davis followed with a 369-foot homer over the left-field fence to tie the score.
MORE: Game 7 live blog
Davis was 3 for 20 in the World Series heading into that at-bat.
FAGAN: Davis on Indians’ ‘We’re gonna overcome this’ mindset
UPDATE: The homer got LeBron James all kinds of pumped up.