49ers coach Kelly criticized by former player

Denver Broncos left guard Evan Mathis was highly critical of the 49ers’ new head coach, Chip Kelly, in an interview with Denver TV station KUSA.

Mathis was so eager to flee Kelly last offseason in Philadelphia, after the Eagles had indicated they wouldn’t rework his contract, that he sent Kelly a YouTube video of crooner Engelbert Humperdinck singing, “Please release me, let me go. …’’

“There were many things that Chip had done that showed me he wasn’t building a championship team,” Mathis wrote in an e-mail. “Two of the main issues that concerned me were: 1. A never-evolving, vanilla offense that forced our own defense to play higher than normal play counts. 2. His impatience with certain personality types even when they were blue-chip talents. The Broncos team I was on would have eaten Chip alive. I don’t think he could have handled the plethora of large personalities.”

Mathis, who signed a one-year free-agent deal with Denver, won a Super Bowl ring as part of an offensive line that managed to keep aging quarterback Peyton Manning upright throughout the postseason.

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