With training camp approaching, the San Francisco 49ers have listed eight players expected to remain on the sideline for the time being.Linebacker Darius Fleming, running back Kendall Hunter, receiver Mario Manningham and receiver Kyle Williams landed on the active/physically unable to perform (PUP) list. Defensive lineman Tank Carradine, defensive lineman Quinton Dial, running back Marcus Lattimore and tackle Luke Marquardt landed on the active/non-football injury list.