Jim Harbaugh says he'll be back at Michigan after talks with Vikings

Michigan coach Jim Harbaugh will return to Michigan for the upcoming season after a brief flirtation with the NFL.

Harbaugh had not signed a renegotiated contract from Michigan, and this decision ends more than a month of internet message board and social-media theories and hand wringing among fans regarding his future.

Harbaugh was in Minneapolis on Wednesday to interview for the vacant Minnesota Vikings head-coaching job. ESPN NFL insider Adam Schefter was the first to report the news Wednesday night.

Harbaugh confirmed in a text to The Detroit News, messaging one of his trademark comments.

"With an enthusiasm unknown to mankind!" Harbaugh wrote.

A report from NFL.com's Tom Pelissero later…