FAQs, Tip & Tricks
- Learn about the Approximate Value Formula
- Details on the Pro Football Reference Win Probability
- Tips and Tricks from our Blog.
- Do you have a blog? Join our linker program.
- Watch our How-To Videos to Become a Stathead
- Subscribe to Stathead and get access to more data than you can imagine
All logos are the trademark & property of their owners and not Sports Reference LLC. We present them here for purely educational purposes. Our reasoning for presenting offensive logos.
Logos were compiled by the amazing SportsLogos.net.
Data Provided By
Pre-1994 play-by-play courtesy of Aaron Schatz of FTN Fantasy and Jeremy Snyder of Quirky Research.
Copyright © 2000-2026 Sports Reference LLC. All rights reserved.
The SPORTS REFERENCE, STATHEAD, IMMACULATE GRID, and IMMACULATE FOOTY trademarks are owned exclusively by Sports Reference LLC. Use without license or authorization is expressly prohibited.
Please see our Contributors and Sources page for data source details.
- Sports Reference ®
- Baseball
- Football (college)
- Basketball (college)
- Hockey
- Soccer
- Blog
- Stathead ®
- Immaculate Grid ®
About •
Conditions & Terms of Service •
Advertise With Us
•
Jobs at SR
•
Pro-Football-Reference.com T-Shirts & Store
•
Your Privacy Choices
Sports Reference Purpose: We will be the trusted source of information and tools that inspire and empower users to enjoy, understand, and share the sports they love.
Privacy Policy • Gambling Revenue Policy • Accessibility Policy • Use of Data
Sports Reference Purpose: We will be the trusted source of information and tools that inspire and empower users to enjoy, understand, and share the sports they love.
Privacy Policy • Gambling Revenue Policy • Accessibility Policy • Use of Data
We're Social...for Statheads
Site Last Updated: Thursday, July 9, 2:33PM
Question, Comment, Feedback, or Correction?
Subscribe to our Free Email Newsletter
Subscribe to Stathead Football: Get your first month FREE
Your All-Access Ticket to the Pro Football Reference Database
Do you have a sports website? Or write about sports? We have tools and resources that can help you use sports data. Find out more.