Charlie Morton threw 16 pitches with a broken leg.
Morton had just spun a 2-2 curveball past Jose Altuve for a called third strike when he stumbled and started to fall. The 37-year-old Atlanta Braves right-hander braced himself with both arms and grimaced as he popped back up, then rubbed at his right ankle.
Morton's World Series was over soon after it started.
His right fibula was fractured when Yuli Gurriel hit a 102 mph one-hopper off his leg leading off the second inning, a ball hit so hard it ricocheted to first baseman Freddie Freeman for an out.