1- The OL is what we thought. The plays and scheme changed. A HC's job is to put the team (which is made up of players) in the best position to win! Did he do that? It's his job to hire he staff to train those players to be able to carry out those plays.
2- We do not have a better staff. The proof is right in front of you. When they start winning, then you can say that.
To your questions:
It's 100% on Jomo. He is the head coach. He calls the plays. The penalties that cost us the last game was HIS fault. Our DL and blitz schemes are typical and not effective. Compare UF's hands on our QB vs our's to their QB.
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What exactly is the horrible issue of what the past 9 years has given MSU? Bowl games every year? AND AGAIN... if we don't have the "smarts" it's on our HC to either dumb it down, change the playbook, or teach them better.
He will never get the people he needs here if he is NOT winning.