“He didn’t indicate (soreness) to me at all during the game,” Shanahan said. But nothing during the game at all.”Immediately after the game, Purdy told reporters he “felt good. But the 49ers (3-1) committed a slew of mistakes on offense, defense and special teams against the Jaguars (3-1). Said Shanahan: “Guys are competitive, especially after games. — Cornerback Renardo Green’s neck injury, which kept him out of Sunday’s game, will be evaluated for a potential return Thursday.