McCown has spent time with the Cardinals, Lions, Raiders and Panthers. He started 13 games in 2004 for the Cardinals and 9 for the Raiders in 2007.
Over his NFL career, McCown has completed 610 of 1,058 passes for 6,584 yards, 35 touchdowns and 40 interceptions.
McCown played with the UFL's Hartford Colonial last year where he was league's leading passer with a rating of 79.3.
McCown will wear #9 with the 49ers and compete for the third quarterback spot on the team.
More San Francisco 49ers News
-
49ers vs. Eagles injury updates: George Kittle suffers Achilles injury
The San Francisco 49ers are facing the Philadelphia Eagles at Lincoln Financial Field in a Wild Card playoff game. Below are the latest in-game injury updates for the 49ers. This article will be updated in real time as new information becomes available. Players are listed in... -
Dolphins request interviews with three 49ers executives for GM opening
The Miami Dolphins are searching for a new general manager and have requested interviews with three San Francisco 49ers executives serving under general manager John Lynch: vice president of player personnel Tariq Ahmad, director of scouting and football operations Josh... -
San Francisco 49ers opponents for 2026 season announced
The 2026 opponents for the San Francisco 49ers have been announced. The 49ers finished third in the NFC West and will play a third-place schedule next season. The 49ers will have nine home games and will go on the road eight times. Here are the 2026 opponents: Home Las Vegas... -
These 7 49ers players are inactive vs. Eagles
The San Francisco 49ers have released the list of inactive players for their Wild Card playoff matchup against the Philadelphia Eagles. These seven players will not suit up for the game. Inactives: LB Luke Gifford (quadricep) DL Kevin Givens RB Isaac Guerendo CB Chase...