GopherWeatherGuy
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Here's an interesting read about returning production by Bill Connelly. He came up with different weights/percentages of how important returning production is across certain position groups, and how it relates to overall production increase/decrease for the following season.
• Percentage of last season's QB passing yards returning: 32% of offensive returning production formula
• Percentage of last season's WR/TE receiving yards returning: 32%
• Percentage of career starts returning on the offensive line: 17.5%
• Percentage of last season's offensive line snaps returning: 12%
• Percentage of last season's RB rushing yards returning: 6.5%
• Percentage of defensive returning production formula derived from defensive line: 5%
• Percentage derived from secondary: 37%
• Percentage derived from full defense: 21%
In 2020, teams range from 29% to 93% returning production on offense and 27% to 96% on defense. What does that tend to mean for a team's SP+ ratings?
Over the past six seasons, offenses with returning production above 60% average an improvement of about two points per game, while those below regress by about three. And the extremes are pretty stark: Only one of the 18 teams that have returned at least 90% of their offensive production saw its offensive SP+ rating fall, while nine improved by at least seven adjusted points per game.
Meanwhile, of the 37 offenses that returned 35% of their production or less, only five improved, while 19 regressed by at least seven adjusted points per game.
It's the same story on defense: Teams returning at least 85% of defensive production improve by an average of five adjusted points per game, while teams returning 40% or less regress by five adjusted points per game. If you're on one end of the spectrum or the other, your fate is pretty settled.
According to this the Gophers return 82% of their offensive production, good for 13th in the country. They return only 33% of their defense, which is 125th in the country. Overall, they are 86th in returning production in the country.
https://www.espn.com/college-footba...football-teams-most-returning-production-2020
• Percentage of last season's QB passing yards returning: 32% of offensive returning production formula
• Percentage of last season's WR/TE receiving yards returning: 32%
• Percentage of career starts returning on the offensive line: 17.5%
• Percentage of last season's offensive line snaps returning: 12%
• Percentage of last season's RB rushing yards returning: 6.5%
• Percentage of defensive returning production formula derived from defensive line: 5%
• Percentage derived from secondary: 37%
• Percentage derived from full defense: 21%
In 2020, teams range from 29% to 93% returning production on offense and 27% to 96% on defense. What does that tend to mean for a team's SP+ ratings?
Over the past six seasons, offenses with returning production above 60% average an improvement of about two points per game, while those below regress by about three. And the extremes are pretty stark: Only one of the 18 teams that have returned at least 90% of their offensive production saw its offensive SP+ rating fall, while nine improved by at least seven adjusted points per game.
Meanwhile, of the 37 offenses that returned 35% of their production or less, only five improved, while 19 regressed by at least seven adjusted points per game.
It's the same story on defense: Teams returning at least 85% of defensive production improve by an average of five adjusted points per game, while teams returning 40% or less regress by five adjusted points per game. If you're on one end of the spectrum or the other, your fate is pretty settled.
According to this the Gophers return 82% of their offensive production, good for 13th in the country. They return only 33% of their defense, which is 125th in the country. Overall, they are 86th in returning production in the country.
https://www.espn.com/college-footba...football-teams-most-returning-production-2020
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