San Francisco 49ers superstar Christian McCaffrey was a surprise inactive in San Francisco’s first game last week against the New York Jets. It’s been reported that McCaffey is dealing with a calf strain. However, the more concerning injury that kept him out of Monday night’s game against the Jets is Achilles tendinitis. With the 49ers […] The post 49ers’ Christian McCaffrey gets cryptic Week 2 injury update appeared first on ClutchPoints.