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2012 NFL Draft Picks Added to the Site

Posted by Neil on April 27, 2012

Comments Off on 2012 NFL Draft Picks Added to the Site | Posted in Announcement, Draft,

PFR Draft Finder

Posted by Neil on April 25, 2012

To prepare for tomorrow's draft, be sure to use the PFR Draft Finder to search through every NFL and AFL draft pick ever made.

Comments Off on PFR Draft Finder | Posted in Announcement, Play Index,

Updates: 2012 Season Schedule

Posted by Mike on April 24, 2012

The 2012 NFL schedule has been updated, as well as team-by-team schedules.

Comments Off on Updates: 2012 Season Schedule | Posted in Announcement,

NFL Draft Section

Posted by Neil on April 23, 2012

With the NFL Draft coming up this week, here's a reminder that you can check out the event's history in our Draft Section. You can also learn what kind of production your team can expect from each pick using the Draft Preview, and be sure to visit S-R's College Football site to view the college stats of this year's prospects.

Comments Off on NFL Draft Section | Posted in Announcement, Draft, Features,

Features: Player Births & Deaths

Posted by Mike on April 10, 2012

Yearly tables of player births and player deaths have just been rolled out.

3 Comments | Posted in Announcement,

Updates: Player Biographical Information

Posted by Mike on March 28, 2012

We now have player biographical information updated through 2011, featuring updated full names and ages for players.

1 Comment | Posted in Announcement,

Updated: 2012 Draft Order

Posted by Mike on March 27, 2012

The 2012 NFL Draft Preview has been updated to reflect compensatory picks for free agency as well as the latest trades.

Comments Off on Updated: 2012 Draft Order | Posted in Announcement,

Features: Expected Points

Posted by Mike on March 5, 2012

Today we're rolling out a new feature -- expected points on boxscores, year pages, and team pages back through 2000. What are expected points, you ask? Inspired by a concept introduced by Bob Carroll, Pete Palmer, & John Thorn in their 1988 book The Hidden Game of Football, our crack staff of statisticians (Sean and Neil) have used a decade's worth of play-by-play data to develop a formula that estimates the expected number of points given a combination of down, distance, and yard line. Let's look at this year's Super Bowl for an example. The first play after the kickoff looks like this:

Down ToGo Location Detail NYG NWE EPB EPA
1 10 NYG 23 Ahmad Bradshaw right tackle for no gain (tackle by Brandon Spikes) 0 0 0.48 -0.07
Provided by View Original Table
Generated 3/2/2012.

That means that given a first and ten from their own 23, the expected value of the next score in the game is roughly 0.48 points by the Giants. With a run for no gain (resulting in second and ten from their own 23), the play changed that to -0.07 expected points, meaning that the play itself had a value of -0.56 expected points. Looking at the first touchdown of the game, we see:

Down ToGo Location Detail NYG NWE EPB EPA
2 2 NWE 2 Eli Manning pass complete short middle to Victor Cruz for 2 yards, touchdown 8 0 5.72 7
Lawrence Tynes kicks extra point good 9 0 0 0
Provided by View Original Table
Generated 3/2/2012.

Before the play was run, the expected points for a second and goal play from the 2 yard line is 5.72 points, so scoring the touchdown there netted the Giants 1.28 expected points (note that for touchdowns, 7 points are assumed and a made extra point is not worth any additional points, though a missed extra point subtracts one and a made two-point conversion adds one).

What can we do with these? Well, when you sum all of the differences together (minus an adjustment for the end of half and end of game plays), you should get the scoring margin of the game, which you can see in the table below the box score:

Offense Defense Special Teams
Tm Total Tot Pass Rush TOvr Tot Pass Rush TOvr Tot KO KR P PR FG/XP
New England Patriots -4.00 10.70 9.71 0.99 -1.42 -13.35 -15.90 0.22 0.00 -1.47 -3.11 1.71 0.95 0.14 -1.16
New York Giants 4.00 13.35 15.90 -0.22 0.00 -10.70 -9.71 -0.99 1.42 1.47 -1.71 3.11 -0.14 -0.95 1.16
Provided by View Original Table
Generated 3/2/2012.

Given this table, we can break down the contributions each team's various squads made to the margin of victory -- the Giants' passing offense was their largest positive contributor, while their rushing offense actually contributed negatively overall. In addition to the box score pages, team totals have been added to team and year pages so you can see what cumulative totals each teams' offensive and defensive squads have.

Keep an eye out for further features using this play-by-play data as the year progresses.

9 Comments | Posted in Announcement, Features, Widgets – Our Stats, Your Site

Posted by admin on February 29, 2012 Widgets - Our Stats, Your Site

We've just launched the first stage of our new Sports Reference Widget tool. By clicking the "Embed" tooltip just above any stats table on the site you can now get the code to add our daily updated stats to your site.

See the widgets page for a description of the various features.

We've always had this option with our "Share" tool, but the widgets have the advantage that they'll update daily as our stats pages update.

In the future, we expect to launch additional widgets, like milestone countdowns, division standings, team and league leaders and more. Any suggestions will certainly be considered.

2 Comments | Posted in Announcement,,, CBB at Sports Reference, CFB at Sports Reference, Olympics at S-R,

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