What's the best way to use "either" on more than two options? [duplicate]
Solution 1:
Either--Or statement is used to choose between two given options , in the sentence you mention , there are three given choices , so
Either remove one option or
Write the sentence simply like :
I can classify all pitches as fast balls , breaking balls and/or off-speed pitches.
Solution 2:
Another option is "one of" like
"I classify all pitches as one of: fast balls, breaking balls and off-speed pitches."