PFF Analysts
John Kosko
Senior Analyst • View all analysts
Recent Articles
The Denver Broncos added Oregon quarterback Bo Nix at No. 12 overall in the 2024 NFL Draft. He now gets to work under head coach Sean Payton.
Fri, 03 May 24 12:15:39 +0000
The first round of the 2024 NFL Draft is in the books, so now we’re here to take a swing at a Round 2 and Round 3 mock draft.
Fri, 26 Apr 24 04:56:36 +0000
Every top 2024 NFL Draft prospect has a chance of not panning out, regardless of the pre-draft hype.
Thu, 25 Apr 24 11:15:10 +0000
John Kosko breaks down the most improved position groups in the NFL after the first week of free agency.
Mon, 18 Mar 24 09:00:42 +0000
The Chicago Bears' Jaylon Johnson led cornerbacks in PFF grade in 2023, followed by the Dallas Cowboys' DaRon Bland.
Fri, 01 Mar 24 11:00:20 +0000
We highlight seven top 2024 NFL Draft prospects who might struggle early on in the NFL or even never pan out.
Thu, 22 Feb 24 10:45:00 +0000
The oft-scrutinized Brock Purdy has the San Francisco 49ers on the cusp of a Super Bowl 58 victory.
Sat, 10 Feb 24 14:53:03 +0000
The 2023 regular season is in the books. Here were the top cornerbacks from Week 1 to Week 18, starting with the one and only Sauce Gardner.
Thu, 11 Jan 24 18:57:00 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Thu, 04 Jan 24 18:40:01 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Thu, 28 Dec 23 15:29:37 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Wed, 20 Dec 23 17:23:44 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Thu, 14 Dec 23 11:15:07 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Thu, 07 Dec 23 17:00:03 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Thu, 30 Nov 23 19:29:46 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Thu, 23 Nov 23 13:55:13 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Thu, 16 Nov 23 17:31:13 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Fri, 10 Nov 23 15:41:57 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Thu, 02 Nov 23 17:00:21 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Thu, 26 Oct 23 18:45:01 +0000
Each week, after every NFL game is graded and reviewed, PFF will check in on the top cornerbacks of the 2023 season.
Thu, 19 Oct 23 14:53:22 +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.
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