NaVorro Bowman, Darnell Dockett, Vernon Davis and Reggie Bush could suit up in Sunday's preseason matchup against the Dallas Cowboys.
The four veterans were not announced by the San Francisco 49ers among the four active players who will not see the field. Bowman, Dockett, Davis and Bush all sat out of the team's preseason opener against the Houston Texans.
As for who will not play for certain, defensive lineman Glenn Dorsey, linebacker Philip Wheeler, defensive back Jimmie Ward and wide receiver Bruce Ellington will not dress in the preseason home opener against the Cowboys.