In Casey at the Bat What expectations for Casey do the successes of Flynn and Blake create?

The successes of Flynn and Blake in "Casey at the Bat" create high expectations for Casey, as both players perform well before him. This sets up Casey as the hero or savior of the game, and the crowd anticipates he will deliver a similar feat. However, Casey's subsequent failure to live up to these expectations adds to the irony and drama of the poem.