John Kosko
NFL Contributor • View all analysts
Recent Articles
Yesterday, we continued our annual tradition of ranking the top 25 NFL players under the age of 25. Now, it’s time to look at the players on the other end of the age spectrum and rank the top 30 players who will be over the age of 30 when Week 1 of the NFL season begins.
Thu, 18 May 23 16:15:49 +0000
With the 2022 NFL season finally over, it’s time to take a look back at some key metrics at the quarterback position, including PFF WAR (wins above replacement), EPA (expected points added) per pass, PFF grades and a consensus ranking from PFF’s lead passing-game analysts.
Thu, 16 Feb 23 15:44:27 +0000
Cleveland Browns quarterback Baker Mayfield has shined as one of the top quarterbacks in the league so far this season, but his box-score stats don't tell that story. PFF's John Kosko dives into the data to tell the right story behind Mayfield's strong start to his NFL career.
Fri, 19 Oct 18 13:14:14 +0000Bio
John joined PFF in July 2014, and serves as an NFL Analyst. John is also a former Kansas Football safety. He obtained a Bachelor’s degree in Liberal Arts and Sciences Studies.