The 49ers suffered another loss in the game against the Bears as Elijah Mitchell is set to miss time with an MCL sprain. The 49ers suffered more than just one loss against the Bears in Week 1. Elijah Mitchell is set to miss about two months of the season with a sprained MCL, per Adam Schefter of ESPN. He is undergoing an MRI Monday to gather further details of the full extent of his injury. Kyle Shanahan is set to speak to the local media on a conference call at 3:30pm, so a light should be shed and confirmed with…