49ers TE George Kittle sits out Wednesday with groin injury

San Francisco 49ers tight end George Kittle did not practice Wednesday and is considered day-to-day with a groin injury.

Head coach Kyle Shanahan, prepping quarterback Trey Lance to start at Chicago in the season-opener on Sunday, was optimistic Kittle could still be a featured weapon in the passing game when the 49ers visit the Bears.

"Was hoping (he would) be good today, did little Monday ... we'll have to see day by