49ers vs. Cardinals preview: 3 things to watch, spotlight on Jerick McKinnon

Head coach Kyle Shanahan had big plans for Jerick McKinnon in 2018 when he was the impetus for the 49ers signing him to a four-year, $30 million. Now, after spending two seasons sidelined by a knee injury, McKinnon is ready to make his long-awaited 49ers’ debut.