Well no team can battle through a 17 game schedule, fight off injuries then come up flat in the playoffs.
To me it's mental toughness issues.
Just my opinion
Nobody said Spencer Brown was worth squat, he is completley un tradable, not even future considerations. Doesn't mean you can't go out and find a replacement off some other teams roster. This is a Superbowl contender, you can't just sign some scrub