49ers GM John Lynch said that there’s no timetable for WR Jauan Jennings to return from his calf injury.

“Jauan’s working with our health and performance staff, trying to get back out on the field,” Lynch said, via 49ersWebzone.com. “Jauan got his calf in the offseason, strained it, and calves can kind of linger, unfortunately. And came out, practiced some, and wasn’t feeling great, and so we’ve kind of put him off to the side. But Jauan’s working hard, like he always does. Don’t have any timetable, but we’ll see. Looking forward to getting J.J., as we call him, out there on the field. He’s such a big part of who we are and what we want to be. Eager to get him back, but won’t do it until he’s ready.” • 49ers GM John Lynch said he doesn’t expect WR Brandon Aiyuk (knee) will be cleared in

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