49ers make coaching staff changes days after Super Bowl heartbreak

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The San Francisco 49ers have been one of the most successful teams in the NFL over the last three seasons with head coach Kyle Shanahan calling the shots. 

Since 2021, the 49ers have gone 35-16, won the NFC West twice, reached the NFC championship game three straight years and played in the Super Bowl. 

Head coach Kyle Shanahan of the San Francisco 49ers prior to the Super Bowl against the Kansas City Chiefs at Allegiant Stadium Feb. 11, 2024, in Las Vegas.  (Ezra Shaw/Getty Images)

And they don’t have a championship to show for it. 

The 49ers lost to Patrick Mahomes and the Kansas City Chiefs in this year's Super Bowl, the second time Shanahan and the Niners have fallen to the Chiefs in the final game of the NFL season. 

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San Francisco has been unable to get over the hump, putting Shanahan in the conversation with coaches who have failed to win the big one. 

In the days following San Francisco’s overtime loss in the Super Bowl, there were major changes to the 49ers coaching staff.

Let’s look at the moves. 

49ers move on from defensive coordinator Steve Wilks

After just one season, Steve Wilks is out as defensive coordinator in San Francisco. 

Shanahan announced Wednesday Wilks had been relieved of his duties and that the search for a new defensive coordinator would include internal and external candidates. 

"(It was a) really tough decision because it really says nothing about Steve as a man or as a football coach," Shanahan said. "He's exactly what we wanted as a man. He's a great football coach. But where we're going and