So it was not impossible that I, Banished to the outfield and daydreaming
Of water, or a hotel in the mountains,
Would suddenly find myself in the path
Of a ball stung by Joe Barone.
I watched it closing in
Clean and untouched, transfixed
By its easy arc before it hit
My forehead with a thud.

How is this excerpt important to the poem as a whole?

It introduces the problem the speaker has playing his baseball position.
It shows why the speaker does not like playing baseball.
It shows how the speaker’s feelings about himself begin to change.
It develops the idea that the speaker feels like an outsider with the other boys.