The San Francisco 49ers are getting a lot of pushback for taking a running back high. Kyle Shanahan defended the pick by saying that he saw the second-best running back in the draft and that another team was going to take him. Based on the 49ers' track record, they may have been better off letting another team take him.  San Francisco 49ers are handling running back incorrectly  Since Kyle Shanahan has been the 49ers head coach, they have drafted six running backs . The first five have not lived up to expectations.  2017 - Joe Williams, 121 overall Williams never took a regular-season career with the 49ers.…