Source: Alex Smith clears tests
San Francisco 49ers quarterback Alex Smith has been cleared medically after concussion testing, but the team is proceeding with plans to start Colin Kaepernick on Sunday against the New Orleans Saints, according to a team source.
Niners coach Jim Harbaugh didn't name a starter Friday.
Smith told ESPN on Wednesday night that Harbaugh informed the two quarterbacks that Kaepernick would take all the first-team reps in practice this week leading into Sunday's game.
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