In Grayson's only shot at the Class AAA division baseball, he played the worst match ever of his life and lose the game.
Explanation:
"Maniac Magee" is a book written by Jerry Spinelli. The book is about the life of Jeffrey Lionel Magee who became an orphan at the age of three.
In chapter 25 of the book, Magee and Grayson move in a town nearby and Maniac urges Grayson to share his baseball stories. He shared about baseball match at the Class AAA with Mud Hens. Mud Hens were just one step below the Majors. Grayson shared that he prayed half of the night before the match and even before the game began. But he lost the match, as he pitched the 'most awful game of his life.' After this loss, Grayson till the age of 40 tried his luck in the game but at last, accepted that he was made for menial jobs only.
A prepositional phrase describes the noun in this sentence the prepositional phrase is "of support" it is describing "letter" so the object of the preposition is "letter"
