Don’t expect Jim Harbaugh to be reaching out to congratulate his former pupil Richard Sherman for another Super Bowl berth anytime soon. And don’t hold your breath for the Pro Bowl cornerback to chat it up with his college coach. As of right now, the two still aren’t on speaking terms.

Last week, Sherman told The Mercury News that neither he, nor Harbaugh, is interested in correcting a strained relationship that occurred when the two were at Stanford. The two strong personalities clashed a few times in Palo Alto.

“There is nothing to mend,” Sherman said. “The bridge was burned down, torn down and built another bridge at another place. But the bridge in this particular relationship will never be rebuilt. I don’t think he is interested in it, and I’m not interested in it.”

In 2008, Sherman underwent season-ending knee surgery, keeping him off the field. Harbaugh, however, felt that the then-wide receiver “gave up” on his team. After that, Sherman switched to the defensive side of the football to distance himself from the Stanford head coach.

And, in true Sherman fashion, he pestered the head coach by calling out formations during practice. Harbaugh, obviously, wasn’t a huge fan. Because of the back-and-forth the two experienced during those years, the relationship is basically non-existent.

A few years after Harbaugh left to coach the 49ers and Sherman was in the NFL with the Seahawks, the two were on opposite sidelines in the NFC Championship Game in 2013. Sherman made a game-winning play in the end zone to send Seattle to the Super Bowl and San Francisco packing. After the game, the defensive back had a famous postgame interview, calling Michael Crabtree a “sorry receiver.”

Recently, in an interview with the The San Francisco Chronicle, Sherman said his outburst was directed more at Harbaugh than Crabtree and the 49ers.

“I meant every single one,” Sherman said. “I meant it to Harbaugh. We’ve had our history. I don’t regret half a second of that. There’s bad blood there. There’s history there. That’s not the team. … So that was less about the 49ers and Seahawks. That was very personal.”

Not every player and coach gets along in football. But the relationship between Harbaugh and Sherman doesn’t sound like it will ever be rebuilt.