The San Francisco 49ers made a small tweak to their practice squad ahead of the start of their Week 12 practices.

San Francisco quarterback Mac Jones explained his decision to give Adrian Martinez the final snap in the 49ers' win Sunday over the New York Giants.

The San Francisco 49ers announced they have signed QB Adrian Martinez to the practice squad and released RB Sincere McCormick from the practice squad. Martinez (6-2, 220) originally entered the NFL after signing with the Detroit Lions as an undrafted free agent on May 12,

While the 49ers waived Martinez to make room for defensive end Clelin Ferrell, they're not planning on Martinez being gone long according to head coach Kyle Shanahan. Shanahan on Monday in a conference call said Martinez was an option to return to the practice squad. NFL Media's Ian Rapoport later reported Martinez would be rejoining the 49ers.

INJURY. HE’LL BE THE EMERGENCY QUARTERBACK. WELL, A CHANCE ENCOUNTER AT A FOOTBALL AWARD SHOW LAST YEAR IN LAS VEGAS LED TO AN EMAIL LED TO A PHONE CALL AND FINALLY TO A HOME COMING, A HOMECOMING FOR ONE OF NEBRASKA’S MOST DYNAMIC OFFENSIVE PLAYERS ...

LINCOLN, Neb. (KOLN) - In many ways it was a regular neighborhood yard sale. In one significant way it was not. That’s because former Nebraska quarterback Adrian Martinez was doing some downsizing and selling a portion of the Nebraska gear he accumulated ...

The San Francisco 49ers are re-signing quarterback Adrian Martinez to their practice squad, after releasing him in the wake of Brock Purdy's return last week, according to NFL Network's Ian Rapoport.

The 49ers signed Martinez to the practice squad Tuesday, Cam Inman of The San Jose Mercury News reports. Martinez was cut from the 53-man roster over the weekend after Brock Purdy was cleared to return from his toe injury. Martinez will continue to provide organizational depth at quarterback behind Purdy and Mac Jones.