Probably right. Pegs and Whaley should have thought of this before they hired Rex. This is all pretty much on the owner, not on Rex. The whole football world knew how Rex coached, what his scheme was and who he was as a person long, long , long before Pegs/Whaley hired him. This is on the owner making a bad hire. Rex is just doing what he said he would do and how he's coached all along.
Sorry , but this one's on the owner. He could have easily extended Marrone, Schwartz at lower cost but he chose not to and Marrone correctly bailed out on what was going to be a losing situation (for Marrone). So yeah, just like with the Sabres, the owner learns the hard way and we pay the price should they stink it up this year on defense. On the flip side, Rex's defense, if the communication on field is solid and quick, covers up lack of talent or suspensions/injuries.
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We shall see.