I have always said Manny was a good DC. Problem is he should have never been hired at Miami. He should have taken the Temple job and when he had established himself as a good game day coach who understood what it meant to be a head coach; then he should have been offered the Miami job. I think he will end up being a head coach again but it will be at a much lesser school.
Miami job was too big for him. UM needs an alpha dog at the helm; proven by Howard, Jimmy and Butch—and even Dennis, who was ruthless with his offense and smart enough to get out of the way of that swarming defense.
Manny was a complete beta; a man-boy that wanted to be liked and accepted instead of feared and respected. Playing favorites at Miami and afraid to punish starters for fear they'd run for the portal—the inmates ran the asylum with that little man in "charge".
A typical fail-upward coaching career, as well. Got his shot under Chuck Amato at North Carolina State as a grad assistant and played the game from there ... linebackers to safeties and then heading to Middle Tennessee as defensive coordinator for a few years and one year at Mississippi State before Mack Brown tapped him for a Texas coordinator job that proved too big for him.
Took his step back to go Louisiana Tech to lick his wounds, back to Mississippi State and then brought over to Miami by Mark Richt as a second-choice guy behind Dave Aranda, who too a bigger check from LSU and headed to the Bayou.
Failed upwards into a head coaching gig at Temple for five minutes only to run back to Miami for a job too big for him when the university was too lazy and cheap to find a legit hire in 2019.
Disastrous run in Coral Gables. 6-7 in year one after those stupid tacking dummies in spring ball with "7-6" on their chest and jumping in the fracas with his players like that weirdo younger uncle trying to hang with the kids. 8-3 in COVID ... wrecked at home by North Carolina in embarrassing fashion ... and then 7-5 after that disastrous 2-4 start in 2021.
Used that setback and name recognition to fail upwards again and into a defensive coordinator gig at Penn State, which he'll parlay into a Temple-like gig down the road at some point—but dude will never again be a head coach at a major football power.