Trent Williams questionable for 49ers vs. Seahawks clash with hamstring injury

SANTA CLARA — The 49ers continue to cling to hope that their top offensive lineman will be available for the all-important regular-season finale on Saturday night.The 49ers on Thursday listed left tackle Trent Williams as questionable for the game against the Seattle Seahawks at Levi’s Stadium. He did not practice Tuesday, Wednesday or Thursday due to a right hamstring injury.The 49ers also listed defensive lineman Keion White as questionable with a groin injury. White returned for limited practice on Thursday.The winner of the 49ers-Seahawks game will claim the NFC West, earn a first-round playoff bye and gain home-field advantage throughout the postseason.The other players the 49ers listed as questionable appear to be well on their way toward playing on Saturday.Tight end George Kittle returned to practice this week after sitting out one game with an ankle injury. Nickel back Upton Stout was back on the practice field as he advances through the NFL’s concussion protocol. Also, wide receiver Ricky Pearsall is expected to play despite being listed as questionable.Williams, 37, was chosen last week to his 12th Pro Bowl and his fifth since coming to the 49ers in a...