Quarterback Brock Purdy looked off in the second half of the 49ers’ season-opening victory against the Seattle Seahawks.He did not deliver the ball with zip, accuracy or precision when he returned to the lineup on Sunday against the Jacksonville Jaguars, either.And, now, we might know why.Purdy sustained the injury to the big toe on his right foot in the second quarter of the 49ers’ Week 1 game. He threw two second-half interceptions in that game. In the 49ers’ 26-21 loss to the Jaguars, he fluttered a couple more interceptions.Purdy reported soreness in his toe after the game. It is difficult to believe his physical condition did not contribute to his issues with accuracy on Sunday.The 49ers had plenty go wrong against the Jaguars in every facet of the game. The 49ers’ run game has been abysmal. The front four did not supply any pressure on the quarterback and did not handle Jacksonville’s running game. And the 49ers’ special teams coverage units were responsible for giving up 10 points.While the 49ers rank No. 2 in the NFL in passing yards per game, it does not look smooth and in sync.It appears possible — if not, likely — that...
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