As we have seen in the present day reality, the coach takes the major part of the blame and it is the reason why coaches are often sacked after an unsuccessful season and players are not always sold. The coach makes decisions as;
1. Who to play
2. How long to play
3. Formation to play
So, why will the blame come on the players. Although, players obviously have their bad days.
So if it's mainly the coach that is responsible for the players as you stated, so why is it that when a team wins the match, it's mainly the players that gets all the credits for the win, only few times that coaches are acknowledged, why? For me, it's the players that's should take majority of the blame when the lose same way they take majority of the credit when they win.