49ers stick together – and win

You can drop passes. You can fumble. You can blow a coverage or miss a tackle. Those can be fixed. But if a team loses its chemistry – its cohesion – it is cooked. And let’s don’t pretend the 49ers weren’t headed that direction coming into Sunday night’s game with the Rams. They had a losing record, a series of why-us? injuries and were coming off a defeat that…