25th February 2020
Basketball-Reference is now utilizing BPM 2.0, an improved version of Box Plus-Minus. Like the original BPM, BPM 2.0 is a statistic created by Daniel Myers which aims to estimate a player's performance relative to league average by using a player's box score information and his team's overall performance. On the site, BPM 2.0 will appear just as BPM did. On player pages it can be found in 'Advanced' section with columns dedicated to OBPM (Offensive Box Plus-Minus), DBPM, (Defensive Box-Plus Minus), BPM (Box Plus-Minus) and VORP (Value Over Replacement Player). OBPM and DBPM, when summed, equal BPM. They are all rate stats. VORP is a counting stat since its inputs are BPM and playing time. As before, these statistics are all available back to the 1973-74 season (though we're hopeful to eventually extend the measure back to 1951), when critical statistics such as blocked shots, steals and offensive/defensive rebounds were first officially tracked. For the nitty-gritty details on BPM 2.0, please see Daniel Myers's explainer.
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Posted in Advanced Stats, Announcement, Basketball-Reference.com, Data | 5 Comments »
20th February 2020
Thanks to the efforts of our friends at Retrosheet, we have added box scores back to the 1904 season to Baseball Reference. Previously, our game log coverage was back to 1908. Additionally, we have added partial play-by-play coverage for games games as far back as 1918. Previously, our oldest play-by-plays were from 1925. Since our last major Retrosheet update, the final two missing full play-by-plays of 1973 were added which means we now have complete PBP data back to that season now. In addition to the boxes and PBPs themselves, this update allows for a variety of new information searchable in the play index, as well as new rows of information in team/player/league statistics tables.
Here are some examples of the new information/searches available on the site.
- With box scores back to 1904, we now have game logs for the full careers of Hall of Famers Ty Cobb and Walter Johnson.
- We now have partial play-by-play coverage in all of Babe Ruth's seasons with the Yankees plus his final two with the Red Sox. This can be used in a lot of ways like seeing how well he did against various pitchers.
- Additionally, incomplete splits have been generated for player seasons from 1918 to 1924. In Babe Ruth's 1923 MVP season, from the play-by-play we have available he recorded a 1.554 OPS with runners in scoring position, a mark only Barry Bonds has reached since (min. 100 PA in this situation). Splits determined by play-by-play are searchable back to 1918 and more basic split data (home/away, month, etc) are searchable back to 1904 now.
- League-wide batting splits and pitching splits have been fleshed out with the new play-by-play data back for the years 1918-24.
- Batting Game Finder and Pitching Game Finder searches are now opened up back to 1904.
- Batting and Pitching Event Finder searches have also been opened up back to 1918. Of the games we have PBP for in 1918, Wally Pipp leads with 3 walkoff hits that season, for instance.
- Searches in the player and team streak finders now go back to 1904
- Win Probability, Baserunning, Situational and Batting Against tables are all available back to 1918 now.
If you have any questions about our data coverage, you can always see it here.
We're very excited about these new additions and hope you enjoy them, as well. Please let us know if you have any comments, questions or concerns.
And thanks again to Retrosheet!
Posted in Announcement, Baseball-Reference.com, Data, Features, General, History, Play Index | 7 Comments »
17th February 2020
After years poring over play-by-plays, watching videos (tough, I know) and reading thousands of game stories in newspaper archives, Basketball-Reference has compiled the first comprehensive list of every buzzer-beating game-winning shot in the history of the NBA and the BAA. To date, there have been 772 such shots in NBA history, including free throws with time expired. I'm defining game-winning buzzer-beaters as successful shots taken with the shooter's team tied or trailing which left no time on the clock after going through the net. These are true game-enders leaving no opportunity for the opponent to respond. As Tim Duncan knows, there are no such thing as game-winning buzzer-beaters that leave even 0.4 seconds on the clock.
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Posted in Announcement, Basketball-Reference.com, Data, Features, History | 21 Comments »
6th February 2020
We have compiled every game-winning buzzer-beater in NCAA Tournament history. Since you cannot advance the ball to half-court with a timeout in college basketball, we have been lenient with how we define "buzzer-beating game-winner" and included all shots in the final 2.0 seconds of a game that put the winning team in the lead (so either tied or trailing at time of shot, and leading afterwards). However, it wasn't until the 1993-94 season that the clock automatically stopped on makes in late-game situations. Consequently, we have included some shots from 1993 and earlier that were made with more than 2 seconds left, but which left the opponent with 2 seconds or fewer left to respond by the time they chased down the make to inbound or call a timeout. An additional wrinkle is that the NCAA added tenths of a second to the clock for the 1990-91 season, but just had whole numbers for earlier seasons. One notable exception is Tate George's buzzer-beater against Clemson, since that was played in an NBA arena (The Meadowlands).
A few notes about how this data was compiled:
Posted in Announcement, CBB at Sports Reference, Data, Features, Uncategorized | 2 Comments »
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