PFF Analysts
John Kosko
NFL Contributor • View all analysts
Recent Articles
The Broncos defense has transformed into one of the NFL’s best. The cornerstone of that remarkable turnaround was the play of cornerback Pat Surtain II, whose dominance in coverage served as the key catalyst for their resurgence.
Tue, 14 Jan 25 10:45:27 +0000
This season, PFF will monitor NFL defensive line play all season long, ranking the league's unit from No. 1 to No. 32.
Thu, 09 Jan 25 15:24:23 +0000
The NFL's top 32 cornerbacks after the 2024 regular season, headlined by the Chiefs' Trent McDuffie.
Thu, 09 Jan 25 10:02:03 +0000
The top 32 cornerbacks for the 2024 season heading into Week 17, headlined by the Chiefs' Trent McDuffie.
Fri, 03 Jan 25 10:15:11 +0000
The defensive line is the heart of any successful defense, tasked with both disrupting the opposing quarterback with a pass rush and shutting down rushing attacks. This season, we will monitor NFL defensive line play all season long, ranking the league's unit from No. 1 to No. 32.
Thu, 02 Jan 25 13:49:12 +0000
The defensive line is the heart of any successful defense, tasked with both disrupting the opposing quarterback with a pass rush and shutting down rushing attacks at the line of scrimmage. This season, we will monitor NFL defensive line play all season long, ranking the league's unit from No. 1 to No. 32.
Thu, 26 Dec 24 18:42:22 +0000
The top 32 cornerbacks for the 2024 season heading into Week 17, headlined by the Broncos' Pat Surtain.
Thu, 26 Dec 24 18:07:14 +0000
The top 32 cornerbacks for the 2024 season heading into Week 16, headlined by the Ravens' Marlon Humphrey.
Fri, 20 Dec 24 15:28:44 +0000
The defensive line is the heart of any successful defense, tasked with both disrupting the opposing quarterback with a pass rush and shutting down rushing attacks at the line of scrimmage. This season, we will monitor NFL defensive line play all season long, ranking the league's unit from No. 1 to No. 32.
Thu, 19 Dec 24 14:00:00 +0000
The top 32 cornerbacks for the 2024 season heading into Week 14, headlined by the Ravens' Marlon Humphrey.
Thu, 05 Dec 24 15:20:08 +0000
The defensive line is the heart of any successful defense, tasked with both disrupting the opposing quarterback with a pass rush and shutting down rushing attacks at the line of scrimmage. This season, we will monitor NFL defensive line play all season long, ranking the league's unit from No. 1 to No. 32.
Thu, 05 Dec 24 14:30:54 +0000
The defensive line is the heart of any successful defense, tasked with both disrupting the opposing quarterback with a pass rush and shutting down rushing attacks at the line of scrimmage. This season, we will monitor NFL defensive line play all season long, ranking the league's unit from No. 1 to No. 32.
Thu, 28 Nov 24 11:00:42 +0000
The top 32 cornerbacks for the 2024 season heading into Week 13, headlined by the Ravens' Marlon Humphrey.
Thu, 28 Nov 24 10:45:41 +0000
The defensive line is the heart of any successful defense, tasked with both disrupting the opposing quarterback with a pass rush and shutting down rushing attacks at the line of scrimmage. This season, we will monitor NFL defensive line play all season long, ranking the league's unit from No. 1 to No. 32.
Thu, 21 Nov 24 14:13:04 +0000
The top 32 cornerbacks for the 2024 season heading into Week 12, headlined by the Ravens' Marlon Humphrey.
Thu, 21 Nov 24 14:00:14 +0000
The top 32 cornerbacks for the 2024 season heading into Week 11, headlined by the Ravens' Marlon Humphrey.
Thu, 14 Nov 24 14:50:45 +0000
The defensive line is the heart of any successful defense, tasked with both disrupting the opposing quarterback with a pass rush and shutting down rushing attacks at the line of scrimmage. This season, we will monitor NFL defensive line play all season long, ranking the league's unit from No. 1 to No. 32.
Thu, 14 Nov 24 14:02:35 +0000
The top 32 cornerbacks for the 2024 season heading into Week 10, headlined by the Jets' D.J. Reed.
Thu, 07 Nov 24 15:20:42 +0000
The defensive line is the heart of any successful defense, tasked with both disrupting the opposing quarterback with a pass rush and shutting down rushing attacks at the line of scrimmage. This season, we will monitor NFL defensive line play all season long, ranking the league's unit from No. 1 to No. 32.
Thu, 07 Nov 24 15:09:40 +0000
The defensive line is the heart of any successful defense, tasked with both disrupting the opposing quarterback with a pass rush and shutting down rushing attacks at the line of scrimmage. This season, we will monitor NFL defensive line play all season long, ranking the league's unit from No. 1 to No. 32.
Thu, 31 Oct 24 14:07:01 +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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