A stiff back injury is one of the biggest nemeses for a pitcher, greatly affecting the trunk rotation and kinetic chain transmission during pitching, thereby impacting velocity and control—for Kershaw, his two ace pitches, the slider and curveball, heavily depend on back rotation; otherwise, it easily results in the pitch "not biting the hitter".
Clearly, during the postseason against the Arizona Diamondbacks, Kershaw suffered from overuse, allowing the opponent to hit four home runs, and now they're ready to send him back for the seventh inning. Roberts could be said to have completely forgotten past lessons—
In this case, as an opponent, Lin Guanglai doesn't mind adding a new injury to the Dodgers.
In the top of the seventh inning, with the umpire's command, the game resumed amid the rising and falling noises throughout Dodger Stadium:
