PFF Analysts

John Kosko

Senior Analyst • View all analysts

Recent Articles

nfl-best-safeties-2023-nfl-draft-2023-free-agency

Jessie Bates III is the best free-agent safety available this offseason, while Alabama's Brian Branch and Texas A&M's Antonio Johnson are top options for teams looking to attack the position in the 2023 NFL Draft.

By John Kosko Mar 9, 2023 5:00 am EST
nfl-final-2022-cornerback-rankings

Sauce Gardner headlines PFF's 2022 cornerback rankings.

By John Kosko Mar 2, 2023 5:15 am EST
nfl-2022-nfl-quarterback-rankings-and-tiers

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.

By John Kosko Feb 16, 2023 10:44 am EST
nfl-patrick-mahomes-kansas-city-chiefs-short-of-first-down-super-bowl-2023

Patrick Mahomes has only once posted negative EPA per pass in a season when targeting short of the sticks — a rare occurrence in the NFL.

By John Kosko Feb 6, 2023 5:45 am EST
pro-baker-mayfields-box-score-stats-dont-tell-the-whole-story-behind-his-strong-start-to-the-season

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.

By John Kosko Oct 19, 2018 9:14 am EDT Cleveland Browns
pro-the-browns-made-the-right-decision-to-draft-denzel-ward-over-bradley-chubb-at-no-4

PFF Analyst John Kosko explains why the Cleveland Browns made the entirely correct decision to draft cornerback Denzel Ward with the fourth overall pick of the 2018 NFL Draft.

By John Kosko Oct 12, 2018 10:12 am EDT
pro-the-nfls-prototypical-defensive-backs-for-each-secondary-position

John Kosko breaks down the prototype NFL defender for each different scheme's position in the secondary.

By John Kosko Jun 19, 2018 8:53 am EDT
pro-the-new-look-cleveland-browns-secondary

PFF's John Kosko examines the new look Browns' secondary, which will sport four new players including one making a position switch.

By John Kosko Apr 5, 2018 8:17 am EDT
pro-2018-free-agency-preview-cleveland-browns

Top free agent targets for the Cleveland Browns, players that must be re-signed, team cap space and more to get you ready for 2018 free agency.

By John Kosko Feb 6, 2018 11:19 am EST
pro-rookie-impact-nfc-west

Examining potentially the most impactful rookie for each team in the NFC West.

By John Kosko Sep 5, 2017 11:58 am EDT
pro-rookie-impact-nfc-east

Examining potentially the most impactful rookie for each team in the NFC East.

By John Kosko Aug 30, 2017 9:20 am EDT
pro-snaps-lost-nfc-north

Examining the amount of experience lost by each team in the NFC North, by looking at snap counts that must be replaced from the 2016 season.

By John Kosko Aug 23, 2017 10:00 am EDT
pro-snaps-lost-nfc-south

Examining the amount of experience lost by each team in the NFC South, by looking at snap counts that must be replaced from the 2016 season.

By John Kosko Aug 11, 2017 9:24 am EDT
pro-preseason-success-to-regular-season-stardom

Which players have translated preseason success into regular season performance, or vice versa?

By John Kosko Aug 2, 2017 9:15 am EDT
pro-ranking-all-32-backfields-heading-into-the-2017-season

Analyst John Kosko examines PFF's rankings for all 32 NFL teams, in terms of their backfield, heading into the 2017 season.

By John Kosko Jul 25, 2017 9:29 am EDT
pro-analyzing-pffs-signature-stat-leaders-in-the-secondary-from-2016

PFF's John Kosko examines the 2016's most intriguing storylines across the league's secondaries from our exclusive signature stats.

By John Kosko Jul 17, 2017 11:43 am EDT
pro-analyzing-pffs-front-seven-signature-stat-leaders-from-2016

PFF's John Kosko takes a deeper dive into the top front seven defenders from the 2016 NFL season, based on PFF's Signature Stats on defense.

By John Kosko Jul 10, 2017 11:55 am EDT
pro-the-hunt-for-positives-coming-out-of-jared-goffs-rookie-season

The Rams quarterback and 2016 first overall draft pick had an awful rookie season in 2016. John Kosko looks for signs of life from the year.

By John Kosko Jun 15, 2017 3:14 am EDT
pro-5-early-comeback-player-of-the-year-candidates

Can Texans standout defender J.J. Watt return to form in 2017 after missing much of last season due to injury?

By John Kosko May 16, 2017 6:47 am EDT
pro-the-biggest-remaining-need-for-each-nfc-team

With the draft and most of free agency now behind us, Analyst John Kosko looks at the biggest remaining area of need for each franchise.

By John Kosko May 9, 2017 4:36 am EDT
Bio

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.

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