(AP Photo/Michael Conroy)

DAVIE, Fla. (AP) With Ryan Tannehill ruled out of Sunday's game against Detroit, Brock Osweiler will get another start at quarterback, and the Miami Dolphins' super sub is optimistic he can deliver a successful encore to the most prolific game of his career last week.

But then Osweiler is always optimistic, even when he's playing lousy.

"My confidence," he said, "will never waver."

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