It disrupted the game, prompting numerous hilarious jokes, such as...
Why did the chicken cross the basepath?
a) He wanted to be in fowl territory.
b) He heard an umpire yell, "Bawk."
c) He didn't want to be "a birdin'" to his team.
d) His friends were turkeys.
e) He was hurt and needed a nearby hospital with a Buffalo wing.
Note to the curious: It is believed the finger fell a passing bird, who plucked it from a Happy Meal.