His 2019 salary will become fully guaranteed on April 1, 2019. Mostert averaged 7.7 yards on 34 attempts before he fractured his forearm. After the Jerick McKinnon injury, the 49ers are expected to lean on its two other running backs. McKinnon received $18 million in guarantees, $11.7 million of which is guaranteed at signing. Mckinnon received a $2 million signing bonus and $5.5 million roster bonus. Coleman had his best season, gaining 800 yards with the Atlanta Falcons. Find out all of the player trades, signings and free agency information at FOX Sports. He played college football at Georgia Southern and was drafted by the Minnesota Vikings in the third round of the 2014 NFL Draft. Running back Jerick McKinnon was lost for the season after suffering a torn ACL in practice. Jerick McKinnon, who signed a four-year, $30 million deal before last season, has yet to play a regular-season snap for the Niners. San Francisco 49ers running back Jerick McKinnon missed most of the preseason with a strained calf. The San Francisco 49ers suffered a heartbreaking blow to their offense on Saturday. “You saw what Matt did last year, playing with an ankle injury,” McKinnon said. Injuries have sidelined Jerick McKinnon since he joined the 49ers two years ago. Jerick Deshun McKinnon (born May 3, 1992) is an American football running back for the San Francisco 49ers of the National Football League (NFL). Breida battled an ankle injury but still managed to rush for 814 yards last season. Jerick McKinnon signed a four year, $30 million contract with the 49ers on March 14, 2018. See Jerick McKinnon Injuries. In his quest to get back on the field, the RB is planning to work out with former teammate Adrian Peterson. The 49ers placed running back Jerick McKinnon on the injured reserve with a knee injury. McKinnon called Kyle Juszczyk the best fullback in the league.