Bernie Kosar vs Kenneth John O'Brien Jr.
Bernie Kosar and Kenneth John O'Brien Jr. compared on their NFL careers: Bernie Kosar played 12 seasons, 1985 to 1996, Kenneth John O'Brien Jr. 10 seasons, 1984 to 1993. Bernie Kosar has 23,301 passing yards to Kenneth John O'Brien Jr.'s 25,094. Bernie Kosar won 1 title.
Who has the better career numbers?
How do they compare in the playoffs?
Where each stands all time
Among the NFL players with a career line on file, regular season, counting stats only — the same lists the records pages run on.
Titles and awards
- Bernie Kosar: 1 championship; none on file
- Kenneth John O'Brien Jr.: 0 championships; none on file
Awards come from the league’s published winner lists; a championship counts a season played for the club that won it.
Season by season
Lined up by career year, not by calendar: each row is the players’ nth season.