San Francisco 49ers running back Christian McCaffrey did not participate in team drills Friday and was listed as questionable for Sunday's opener against the Seattle Seahawks, in a disturbing flashback to last year's lost season.

McCaffrey was limited in practice on Thursday due to a calf injury, the same ailment that had him listed as questionable for last season's opening game before he ultimately missed the first eight games of the season with Achilles tendinitis. In his fourth game back, McCaffrey, the 2023 NFL Offensive Player of the Year, suffered a knee injury that ended his season .

However, McCaffrey told reporters in the locker room Friday that he was looking forward to playing on Sunday.

"Nothing serious, I can tell you that," McCaffrey said when asked about what had

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