Magnuson was waived by the Raiders, Matt Kawahara of the San Francisco Chronicle reports.
Magnuson was a casualty of the Raiders' need to promote receiver Rico Gafford from the practice squad. The 25-year-old appeared in one game during his month-long stint in Oakland.
Magnuson signed a contract with the Raiders on Wednesday, Scott Bair of NBC Sports Bay Area reports.
Magnuson comes off the Bills' practice squad after heading to Buffalo late in the preseason. The 25-year-old appeared in eight games with the 49ers between 2017 and 2018, including three starts.
Magnuson signed with Buffalo on Tuesday, Chris Brown of the Bills' official site reports.
The Bills have a slew of injuries to their offensive line, the latest being Garrett McGhin heading to injured reserve with an ankle injury. Magnuson, recently released with an undisclosed injury settlement from the 49ers, is apparently better and ready to compete for a depth role on the other side of the country.
Magnuson (undisclosed) was waived off 49ers' injured reserve Friday, Matt Barrows of The Athletic reports.
Magnuson was waived by the 49ers prior to training camp after suffering an undisclosed injury. Nobody claimed him, so he reverted to their injured reserve. Now that both parties have come to terms on a settlement he will be free to find a new opportunity once his health allows it.
Magnuson (undisclosed) reverted to the 49ers' injured reserve Friday after clearing waivers, per the NFL communication's official transaction log.
The 49ers elected to waive Magnuson rather than place him on the PUP list to begin camp. As a result of him clearing waivers, he will now remain on IR for the rest of the year unless he and the team can reach an injury settlement.
Magnuson was waived by San Francisco on Thursday with an injury designation, Jennifer Lee Chan of NBC Sports Bay Area reports.
Magnuson was dealing with an undisclosed injury, but instead of being placed on the PUP list to begin training camp, the 49ers have elected to waive him. He spent the majority of the 2018 campaign as a backup lineman, and he has the ability to play multiple positions, including center and guard. If he clears waivers, he'll revert to the team's injured reserve.
Magnuson (hamstring) is not present on the 49ers' injury report for Week 3.
Magnuson sat out the first two games of the season with the hamstring injury he suffered in the preseason. The 24-year-old was ruled out 6-to-8 weeks when he was examined Aug. 19, so he is ahead of schedule in his recovery.
Magnuson (hamstring) won't play Sunday against the Lions, Cam Inman of The San Jose Mercury News reports.
Magnuson continues to nurse a hamstring injury he suffered in the second preseason game. A realistic time frame would include a return sometime in October.
Magnuson has been ruled out for six to eight weeks after injuring his hamstring in Saturday's preseason loss to the Texans, Nick Wagoner of ESPN.com reports.
Magnuson was competing for a starting job at right guard this preseason, but the untimely injury will keep him out of the competition.
Magnuson suffered a hamstring injury and was removed from Saturday's preseason game against the Texans.
Magnuson is a second-year utility player along the offensive line who's getting plenty of reps at guard, where there's heated competition.