49ers Continue to Put Renardo Green on Notice With Latest Signing

The 49ers have signed former Miami Dolphins cornerback Jack Jones, adding more competition at the position.

Apr. 10, 2026 at 10:18pm

A cubist, geometric painting depicting a 49ers cornerback defending a pass, with sharp, overlapping planes of color and form representing the increased competition at the position.The 49ers' signing of Jack Jones adds another layer of competition at cornerback, challenging Renardo Green to elevate his game.Santa Clara Today

The San Francisco 49ers have signed former Miami Dolphins cornerback Jack Jones to a one-year deal, adding more depth and competition at the cornerback position. This move is seen as the 49ers putting cornerback Renardo Green on notice, as they look to get the best out of him after he underperformed last season.

Why it matters

The 49ers are creating competition at the cornerback position, which could help bring out the best in Renardo Green. Head coach Kyle Shanahan has high expectations for Green, and this signing is a way to motivate him to perform at his best.

The details

Last season, Jones was targeted 52 times, allowing 34 catches for 417 yards and eight touchdowns while with the Miami Dolphins. The 49ers are hoping he can perform better in their defense. This signing is not just about adding depth, but also about putting pressure on Green to step up his game. The 49ers gifted Green the starting role last year, which may have led to a complacent mindset and his underperformance.

  • The 49ers signed Jack Jones to a one-year deal on April 10, 2026.

The players

Jack Jones

A former cornerback for the Miami Dolphins who has signed a one-year deal with the San Francisco 49ers.

Renardo Green

A cornerback for the San Francisco 49ers who the team is hoping will perform better this season with the added competition at the position.

Kyle Shanahan

The head coach of the San Francisco 49ers, who has high expectations for Renardo Green and believes he can be a very good player.

Got photos? Submit your photos here. ›

What they’re saying

“I believe that Renardo can be a very good player. I think he will be a very good player. I think he's done some good things. He's played at a starter level, and I got much higher expectations for him.”

— Kyle Shanahan, Head Coach, San Francisco 49ers

What’s next

The 49ers will monitor Renardo Green's performance in training camp and the preseason to see if the added competition brings out the best in him.

The takeaway

The 49ers are taking a proactive approach to motivate Renardo Green and get the best out of him by adding more competition at the cornerback position. This move highlights the team's high expectations for Green and their belief that he can be a very good player if he rises to the challenge.