Injuries and a disappointing record as a starter have made things rocky for Kyler Murray in Arizona . Now, with the quarterback sidelined by a lingering foot injury, a split between him and the Cardinals seems increasingly likely. But according to former Patriots star Rob Gronkowski, Murray’s problems go far beyond just his health or losses.

Podcast host Kay Adams sees the signal-caller’s journey as one of untapped potential, but Gronkowski views it differently. In his eyes, the problem isn’t Murray’s talent; it’s his heart. “The definition of the NFL is who wants it more; who has the bigger heart; who wants to go out there and actually love the game of football and give it their all, and want it,” he said on the Up & Adams show .

“Kyler Murray, I don’t know. I can’t speak for him.

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