49ers Lock Up Jack Jones on One-Year Deal, Add Serious Ball Hawk to Secondary
The San Francisco 49ers just added some serious swagger to their cornerback room. Jack Jones, a ball-hawking defensive back who spent last season with Miami, agreed to a one-year deal with the 49ers on Friday after visiting the team's facility, according to agent Drew Rosenhaus. At 28 years old, Jones brings the kind of playmaking ability that can flip games in a hurry.
What Jones Did Last Season in Miami
Jones was all over the field for the Dolphins in 2025. He started all 17 games, racked up one interception, two forced fumbles, and six passes defensed. But the real story is in the moments that mattered. He forced critical fumbles against the Jets in Week 4 and the Bills in Week 10. Then in Week 11 against Washington in Madrid, Jones picked off Marcus Mariota on the opening play of overtime, which led directly to Miami's game-winning field goal. That's the kind of clutch, instinctive football that wins games.
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👉 Claim Your Free $10 at KalshiA Fit for San Francisco's New Scheme
Jones has made his name playing press man coverage, and that's exactly where new coordinator Raheem Morris wants to lean on him. He slots in behind starters Deommodore Lenoir and Renardo Green at outside cornerback, giving San Francisco some serious depth in the secondary. Over four seasons in the NFL, Jones has eight interceptions and 33 passes defensed. Even wilder, his four career pick-sixes are the second most in the NFL since 2022.
It hasn't all been smooth sailing though. Jones was originally drafted in the fourth round by New England in 2022 and showed flashes as a rookie, but got cut midway through his second season. He signed with Las Vegas and had a monster 2023 with two interception returns for touchdowns in back-to-back wins over the Chargers and Chiefs. The following season wasn't as sharp, allowing 10 touchdowns in coverage according to Pro Football Focus. That led to his release last April, but Miami gave him a shot and he bounced back big time.
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