You will be given a definition of a task first, then some input of the task.
Generate an explanation for the given claim using the provided supporting material from the paragraph. Please consider the following points while generating an output. 1) The claim will always have supporting proof in the paragraph, and the paragraph will have a clear point of view supporting the claim. 2) There can be instances where direct correlation to the claim is not available. Make use of the sentences in the paragraph to provide a corresponding output supporting the claim. 3) The explanation should be at least one and at most twelve sentences long.

Paragraph: Hendrick Motorsports announced Earnhardt’s status Wednesday. Earnhardt was evaluated by doctors at the University of Pittsburgh Medical Center Sports Medicine Concussion Program. Owner Rick Hendrick said Earnhardt is working hard to get back and will follow doctors’ recommendations for his recovery. Hendrick said the program is fully behind Earnhardt. Alex Bowman, who drove for Earnhardt at New Hampshire, will return to drive the No. 88 Chevrolet at Michigan this weekend. Jeff Gordon will fill in at Darlington, where he has won seven races. Gordon has driven the past four races for Earnhardt. Claim: Dale Earnhardt Jr. to miss at least 2 more races.
Output:
Dale Earnhardt Jr. has not been cleared by doctors to return to racing and will miss at least two more races — at Michigan and Darlington — as he recovers from a concussion.