About Pro-Football-Reference.com
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Football Stats Glossary
All of the stats of Pro-Football-Reference.com
Pro Football Positions
Explanation of each position abbreviation on our site
Advanced Stats
Explanation of the advanced stats available on the site
Win Probability Explained
Step-by-step explanation of Win Probability
Approximate Value
Explanation of the creation and meaning of Approximate Value
Comebacks and Game-Winning Drives
Learn the meaning of a fourth quarter comeback or game-winning drive
Leaderboard Minimums
Statistical minimums required to be on a season or career leaderboard for a rate stat
Statistical Coverage
Find out what years we have certain stats for
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