Some ex-NFL players have had about enough of Pro Football Focus’ player rankings and have gone on the offensive over their use on nationally televised broadcasts.

Both J.J. Watt, a former five-time All-Pro defensive end and current analyst for CBS, and Chris Long, who played 11 seasons in the league, have been outspoken about their disdain for the widely cited grading system published by the analytics-focused football news site.

It became a topic of conversation on Wednesday by both men after “Sunday Night Football” put PFF’s rankings on the screen during the NBC broadcast of the Chiefs’ win over the Lions .

"PFF has a TON of great stuff..

Player grading SUCKS..

STOP PUTTING IT OUT" ~ @JJWatt #PMSLive https://t.co/rYeaLCE0MV pic.twitter.com/MBAge4AbtH — Pat McAfee (@PatMcAfe

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