Two DB coaches isn't that uncommon.
The bottom line is that it’s Manny’s choice. He’ll either sink or swim with these coaches, and if they don’t produce then it’s his prerogative to fire or not fire because in end it’s his ***.
Biggest argument I ever had at work was a few years ago when I was coming up and ran a small sales group of 20 people. My boss at first insisted on being at my final interviews (after I selected several for finals) and then afterwards we’d discuss. Most times we agreed, but not always.
At those times, he’d try to tell me who to hire. I basically got fed up and we almost came to blows once, I finally told him I’d walk if I didn’t get the final say. I flat out told him, it’s my ***, if my people don’t perform, I end up paying for it, I end up losing my job. You can fire me for non-performance so I’ll fight you every time when I don’t get to choose the people that are determining my future.
Bottom line, you can’t fall in love with people that work for you because if they don’t perform, it’s either them or you, and it usually ends up being both. So when you get to choose, it’s your responsibility, and if they don’t perform it’s your ***. Unless you do something about it and find someone better. And if Manny is stupid enough to hang on to people that are going to cost him his job then he doesn’t deserve the job