Answer: Football should not be played by young, growing people.
The proposition here is - in. <span>A </span>preposition<span> is a word such as after, in, to, on, and with. </span>Prepositions<span> are usually used in front of nouns or pronouns and they show the relationship between the noun or pronoun and other words in a sentence.</span>
I believe it would be to inform, the particular excerpt isn't really informing about anything, and its not persuading the reader to do anything, simply attempting to entertain the reader with a story.
Debut is the answer because the definition of debut means to introduce first or appear first.