The 49ers cut Jones (calf) on Sunday, per the NFL's transaction log.
Jones was dealing with a calf injury toward the tail end of training camp, which prevented him from playing in the 49ers' preseason finale against the Raiders on Thursday. Jones will explore his next options now that he's a free agent, and it's possible that he remains in San Francisco as a member of the team's practice squad.
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49ers' Rob Jones: Dealing with calf issue
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Jones (calf) did not participate at the 49ers' training camp practice Tuesday, Nick Wagoner of ESPN.com reports.
Per Wagoner, coach Kyle Shanahan said Tuesday that Jones has a chance to return to the field next week. For now, 2025 seventh-rounder Connor Colby could get some reps with the first-team offensive line.
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49ers' Rob Jones: Finds work with San Francisco
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The 49ers are set to sign Jones to a contract, Tom Pelissero of NFL Network reports.
Jones didn't play at all last season after breaking a bone in his neck in late July while with the Cowboys. He's presumably back to health and could compete for a starting role with the 49ers. During his tenure with the Dolphins from 2021 to 2024, Jones started 30 of the 49 games in which he appeared.
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Rob Jones: Visits San Francisco
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Jones (neck) visited the 49ers on Monday, David Lombardi of SFStandard.com reports.
Jones missed the entire 2025 season with a neck injury but is presumably now healthy if he's cleared to take visits. The 27-year-old offensive lineman appeared in 49 regular-season games with the Dolphins across the 2021-24 seasons, making 30 starts.
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Dolphins' Robert Jones: Will play vs. Las Vegas
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Jones (knee) is active for Sunday's game against the Raiders.
Jones suffered a knee injury in the Dolphins' Week 10 win over the Rams this past Monday. He managed to finish the week with consecutive limited practices, and Jones will be good to go for Sunday's contest.
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Dolphins' Robert Jones: Inactive Sunday
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Jones (knee) is inactive for Sunday's game against the Commanders.
The starting left guard was a limited participant in practice throughout the week before being listed as questionable. Lester Cotton and Liam Eichenberg are behind him on the depth chart.
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Dolphins' Robert Jones: Considered questionable
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Jones (knee) is listed as questionable for Sunday's game against the Commanders.
Jones was a limited participant at practice all week and can seemingly be viewed as a true game-time decision. If he cannot play, Lester Cotton (illness) and Liam Eichenberg are candidates to replace him at left guard.
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Dolphins' Robert Jones: Considered doubtful for Friday
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Jones (knee) was estimated as a limited participant at Thursday's practice walkthrough and is doubtful for Friday's Week 12 contest against the Jets, Travis Wingfield of the Dolphins' official site reports.
Jones practiced in limited fashion Wednesday, leading to the limited estimation for Thursday's walkthrough. The left guard is nonetheless considered doubtful to face the Jets on Black Friday, so he's likely to miss his second straight game. Fellow guards Robert Hunt (hamstring) and Lester Cotton (hip) are questionable for the contest, so Miami could be very thin along the offensive line.