When a bat is broken mid-swing during an MLB game, what is the bigger cause behind the break, the velocity of the pitch, or the force behind the batter’s swing?

Question

When a bat is broken mid-swing during an MLB game, what is the bigger cause behind the break, the velocity of the pitch, or the force behind the batter’s swing?

In: Physics

Answer 1

If the ball was static, the batter would be unlikely to break the bat on it even with the hardest swing. The pitcher is the one with the most effect on the outcome as without a pitch the bat can’t strike with enough force to break the bat