Jamell Garcia-Williams
FILE - In this Aug. 9, 2018, file photo, San Francisco 49ers running back Jerick McKinnon is shown on the sideline during an NFL preseason football game against the Dallas Cowboys, in Santa Clara, Calif. McKinnon had another setback in his return from a knee injury. General manager John Lynch told flagship radio station KNBR on Wednesday , Aug. 28, 2019, that McKinnon's return to practice the previous day was "not encouraging." Lynch says McKinnon's recovery regressed for the third time this summer as he has tries to get back on the field. (AP Photo/Tony Avelar, File)
49ers place RB Jerick McKinnon on season-ending IR

By Josh Dubow Aug. 31, 2019 04:50 PM EDT