Do the 49ers have a quarterback controversy between Mac Jones, Brock Purdy?

Every time if feels like the 49ers have the quarterback position figured out, something happens.They had Jimmy Garoppolo. He took them to a Super Bowl. He had a chance to win the game. He missed an open Emmanuel Sanders.A year later, the 49ers decided to make a bold move in the draft to get Garoppolo's successor. They traded up to the third overall pick. Many believed the target was Mac Jones. The pick was Trey Lance. It didn't work out.The next year, with the last pick in the draft, the 49ers selected Brock Purdy. He won six straight starts to end his rookie regular season, before suffering a serious elbow injury early in the NFC Championship.Purdy cemented his grip on the job in 2023, when he took the 49ers to the Super Bowl. While last year didn't go nearly well (he was 6-9 as the starter and the 49ers missed the playoffs), the 49ers decided to reward Purdy with a significant contract, at five new years and a new-money average of $53 million.In his first game with his new deal, Purdy suffered multiple injuries. That opened the door for Mac Jones, who signed a two-year, $8.41 million contract in the offseason to serve as Purdy's understudy. Jones won two...