SECTION. 9. If he hits a fly ball that can be handled by an infielder while first and second bases are occupied, or first, second and third, with only one out.
SECTION. 10. If the third strike is called in accordance with Section 4, Rule 43, in such case the Umpire shall, as soon as the ball is hit, declare infield or outfield hit.
BASE RUNNING RULES.
WHEN THE BATSMAN BECOMES A BASE RUNNER.
RULE 46. The Batsman becomes a Base Runner:
SECTION 1. Instantly after he makes a Fair Hit.
SECTION. 2. Instantly after four balls have been called by the Umpire.
SECTION. 3. Instantly after three strikes have been decided by the Umpire.
SECTION. 4. If, while he be a Batsman, without making any attempt to strike, his person—excepting hands or forearm, which makes it a dead ball—or clothing be hit by a ball from the Pitcher; unless, in the opinion of the Umpire, he intentionally permits himself to be so hit.
SECTION. 5. Instantly after an illegal delivery of a ball by the Pitcher.