A mixture of Jimmy G and Shanahan. When the whole world knew the 49ers needed to kill the clock in the 4th qtr the Chiefs loaded the box. Jimmy G simply missed open receivers on consecutive drives late in the 4th qtr when he had his receivers beat man coverage. On the 3rd down when the 49ers were still leading he had a receiver crossing for a 1st down with separation and he threw it away. Then the next drive down by 4 he overthrew the long bomb by 5 yds. Those misses aren’t on Shanahan. But Shanahan should have ran the ball on 2nd down when they were clock killing. That was a mistake.
Than it’s not Shanahan fault if he’s drawing up plays with WRs running open down field which they were