Given the task definition and input, reply with output. In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.

Title: Bad News. Sentence 1: Jimmy was practicing football when he was knocked down. Sentence 2: He did not think the blow was too hard until he tried to get up. Sentence 3: When Jimmy tried to get up, he got dizzy. Sentence 4: Jimmy was sent to the ER to have an examination.
He had a concussion and was out the rest of the season.