It updates once daily, usually around 9 AM eastern.
Where does baseball-reference get their data?
Much of the data is due to the volunteers at SABR.org, among whom some of us are ourselves. The SABR biographical committee routinely puts out updates for new information (or even new ballplayers) found.
Who runs baseball-reference?
Sean Forman, Founder/Owner
Sports Reference LLC is the owner of Baseball-Reference.com since December of 2007. Previous to that, it was owned solely by Sean Forman.
What does the star on baseball-reference mean?
An '*' indicates they played half or more of their games at that position, and a / denotes the break between more than and less than ten games for single seasons and more than or less than 100 games for more than a single season.
What does bold mean on baseball-reference?
For the most common stats found in our leaderboards, we denote league leading stats with bold text and major league leading totals are further marked with italics. For career statistics, all-time leaders are marked with **'s and active leaders with italics.
39 related questions foundWhat does jaws mean in baseball?
JAWS (Jaffe Wins Above Replacement Score) is a system created by Jay Jaffe that evaluates a player's worthiness for enshrinement in the National Baseball Hall of Fame by comparing him to the Hall of Famers at his position.
What does ERA+ mean in baseball?
Adjusted Earned Run Average (ERA+)
ERA+ takes a player's ERA and normalizes it across the entire league. It accounts for external factors like ballparks and opponents. It then adjusts, so a score of 100 is league average, and 150 is 50 percent better than the league average.
What does RHEL mean in baseball?
It's the Runs/Hits/Errors box, which we'll refer to going forward as The R/H/E. The R/H/E appears on every major league scoreboard, above every box score of every game on Baseball Reference, on every television graphic going into and coming out of every commercial break.
What does xwOBA stand for in baseball?
Expected Weighted On-base Average (xwOBA) is formulated using exit velocity, launch angle and, on certain types of batted balls, Sprint Speed.
What is Opie's baseball stats?
Definition. OPS adds on-base percentage and slugging percentage to get one number that unites the two. It's meant to combine how well a hitter can reach base, with how well he can hit for average and for power. It can also be used in evaluating pitchers; when used in that context, it is referred to as OPS against.
Who has the most walks in MLB history?
Since 2007, Barry Bonds holds the record for most career walks drawn with 2,558. Rickey Henderson (2,190), Babe Ruth (2,062), and Ted Williams (2,021) are the only other players to draw more than 2,000 walks in their careers. The active leader in walks is Albert Pujols with 1,345.
Is Buster Posey a Hall of Famer?
Posey is unique as a Hall of Fame catching candidate because of the high value of his offensive production, as measured by his 129 OPS+. There are only ten catchers in baseball history who delivered an OPS+ of over 125 while rapping at least 1,250 hits. It's a list of 9 Hall of Famers and Buster Posey.
Where can I find MLB stats?
In many cases, statistical data is only a small part of these sites have to offer.
- ESPN. ESPN offers a variety of statistics on players who are currently active. ...
- MLB.com. ...
- Baseball-Reference.com. ...
- Retrosheet.org. ...
- BaseballProspectus.com. ...
- FanGraphs.com. ...
- BaseballMusings.com. ...
- Baseball-Almanac.com.
What is a good ERA+?
The average ERA+ is set to be 100; a score above 100 indicates that the pitcher performed better than average, while below 100 indicates worse than average.
What is the rarest play in baseball?
The unassisted triple play, a triple play in which only one fielder handles the ball, is the least common type of triple play, and is arguably the rarest occurrence in baseball: it has happened only 15 times since 1900 at the major league level.
Is wOBA better than ops?
Looking at all teams from the 2010-2012 seasons, he found that team OPS correlated slightly better to team run production rates than team wOBA—even though wOBA was of course commonly thought to be superior to OPS.
What does wRC mean in baseball?
Weighted Runs Created Plus (wRC+)
wRC+ takes the statistic Runs Created and adjusts that number to account for important external factors -- like ballpark or era. It's adjusted, so a wRC+ of 100 is league average and 150 would be 50 percent above league average.
What is UBB in baseball?
Unintentional bases on balls (walks)
What is a slug in baseball?
Definition. Slugging percentage represents the total number of bases a player records per at-bat. Unlike on-base percentage, slugging percentage deals only with hits and does not include walks and hit-by-pitches in its equation. Slugging percentage differs from batting average in that all hits are not valued equally.
What does BB stand for in baseball?
A walk (or base on balls) occurs when a pitcher throws four pitches out of the strike zone, none of which are swung at by the hitter. After refraining from swinging at four pitches out of the zone, the batter is awarded first base. In the scorebook, a walk is denoted by the letters BB.
What does top and bottom mean in baseball?
In baseball, softball, and similar games, an inning is the basic unit of play, consisting of two halves or frames, the "top" (first half) and the "bottom" (second half). In each half, one team bats until three outs are made, with the other team playing defense.
Who has the lowest ERA ever?
The lowest single-season ERA in league history was posted by Tim Keefe, whose 0.86 ERA in 105 innings pitched for the National League's Troy Trojans in 1880 led his closest competitor by .
What is considered a decent ERA?
In 21st century baseball, an ERA below 4.00 is considered good, and anything below 3.00 is great. An ERA below 2.00 is rare and signifies an exceptional pitcher. Anything above 5.00 is terrible, and generally, pitchers with that ERA either pitch during blow-out games or get sent to the minor leagues. What is this?
What does APP mean in baseball?
Definition. A pitcher is credited with an appearance if he pitches in a given game. When a pitcher enters the game -- barring an injury while warming up -- he must face at least one batter. When crediting pitchers with an appearance, it does not matter whether the pitcher started the game or pitched in relief.
