PFF Analysts
John Kosko
Senior Analyst • View all analysts
Recent Articles
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.
Thu, 09 Mar 23 10:00:30 +0000Sauce Gardner headlines PFF's 2022 cornerback rankings.
Thu, 02 Mar 23 10:15:49 +0000With 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 +0000Patrick Mahomes has only once posted negative EPA per pass in a season when targeting short of the sticks — a rare occurrence in the NFL.
Mon, 06 Feb 23 10:45:21 +0000Cleveland 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 +0000PFF 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.
Fri, 12 Oct 18 14:12:51 +0000John Kosko breaks down the prototype NFL defender for each different scheme's position in the secondary.
Tue, 19 Jun 18 12:53:14 +0000PFF's John Kosko examines the new look Browns' secondary, which will sport four new players including one making a position switch.
Thu, 05 Apr 18 12:17:14 +0000Top 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.
Tue, 06 Feb 18 16:19:00 +0000Examining potentially the most impactful rookie for each team in the NFC West.
Tue, 05 Sep 17 15:58:23 +0000Examining potentially the most impactful rookie for each team in the NFC East.
Wed, 30 Aug 17 13:20:11 +0000Examining 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.
Wed, 23 Aug 17 14:00:22 +0000Examining 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.
Fri, 11 Aug 17 13:24:53 +0000Which players have translated preseason success into regular season performance, or vice versa?
Wed, 02 Aug 17 13:15:40 +0000Analyst John Kosko examines PFF's rankings for all 32 NFL teams, in terms of their backfield, heading into the 2017 season.
Tue, 25 Jul 17 13:29:11 +0000PFF's John Kosko examines the 2016's most intriguing storylines across the league's secondaries from our exclusive signature stats.
Mon, 17 Jul 17 15:43:51 +0000PFF'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.
Mon, 10 Jul 17 15:55:27 +0000The 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.
Thu, 15 Jun 17 07:14:00 +0000Can Texans standout defender J.J. Watt return to form in 2017 after missing much of last season due to injury?
Tue, 16 May 17 10:47:20 +0000With the draft and most of free agency now behind us, Analyst John Kosko looks at the biggest remaining area of need for each franchise.
Tue, 09 May 17 08:36:08 +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.
PFF Nfl Analysts
-
Amelia Probst
Data Scientist -
Arjun Menon
NFL Contributor, Betting Analyst -
Ben Cooper
Editor and NFL Contributor -
Ben Linsey
NFL Analyst -
Brad Spielberger
Salary Cap Analyst -
Dalton Wasserman
NFL Contributor -
Gordon McGuinness
NFL Analyst -
JT Bonomo
NFL Contributor -
Jim Wyman
NFL Contributor -
John Kosko
Senior Analyst -
John Owning
Editor and NFL Contributor -
Lauren Gray
NFL Contributor -
Marcus Mosher
NFL Contributor -
Nick Akridge
-
Ryan Smith
Senior Analyst -
Sam Monson
Lead NFL Analyst -
Timo Riske
Senior Data Scientist -
Zach Tantillo
NFL Contributor -
Zoltán Buday
NFL Contributor