Terms of the trade, which can’t officially be completed until March 12 when the 2013 league year begins, weren’t immediately available.
The trade agreement was first reported by Fox Sports’ Jay Glazer on Twitter.
Smith, the 2005 No. 1 overall draft pick, lost his starting job to Colin Kaepernick while sitting out with a concussion but was professional at every turn and continued to mentor his replacement.
Before his injury, Smith had completed 26 of his last 28 passes — including going 18-of-19 for 232 yards, three touchdowns and no interceptions in a “Monday Night Football” win at Arizona on Oct. 29.
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