Goals against average (GAA) also known as "average goals against" or "AGA" is a

statistic A statistic (singular) or sample statistic is any quantity computed from values in a sample which is considered for a statistical purpose. Statistical purposes include estimating a population parameter, describing a sample, or evaluating a hypo ...

used in

field hockey Field hockey is a team sport structured in standard hockey format, in which each team plays with ten outfield players and a goalkeeper. Teams must drive a round hockey ball by hitting it with a hockey stick towards the rival team's shooting ci ...

ice hockey Ice hockey (or simply hockey) is a team sport played on ice skates, usually on an ice skating rink with lines and markings specific to the sport. It belongs to a family of sports called hockey. In ice hockey, two opposing teams use ice hock ...

lacrosse Lacrosse is a team sport played with a lacrosse stick and a lacrosse ball. It is the oldest organized sport in North America, with its origins with the indigenous people of North America as early as the 12th century. The game was extensively ...

soccer Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 players who primarily use their feet to propel the ball around a rectangular field called a pitch. The objective of the game is ...

, and

water polo Water polo is a competitive team sport played in water between two teams of seven players each. The game consists of four quarters in which the teams attempt to score goals by throwing the ball into the opposing team's goal. The team with the ...

that is the

mean There are several kinds of mean in mathematics, especially in statistics. Each mean serves to summarize a given group of data, often to better understand the overall value (magnitude and sign) of a given data set. For a data set, the ''arithme ...

goals A goal is an objective that a person or a system plans or intends to achieve. Goal may also refer to: Sport * Goal (sports), a method of scoring in many sports, or the physical structure or area where scoring occurs ** Goals, the goal frame in ...

allowed per game by a

goaltender In ice hockey, the goaltender (commonly referred to as the goalie) is the player responsible for preventing the hockey puck from entering their team's net, thus preventing the opposing team from scoring. The goaltender mostly plays in or near t ...

goalkeeper In many team sports which involve scoring goals, the goalkeeper (sometimes termed goaltender, netminder, GK, goalie or keeper) is a designated player charged with directly preventing the opposing team from scoring by blocking or intercepting o ...

(depending on sport). GAA is analogous to a

baseball Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding. The game occurs over the course of several plays, with each play generally beginning when a player on the fielding tea ...

pitcher In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw ...

earned run average In baseball statistics, earned run average (ERA) is the average of earned runs allowed by a pitcher per nine innings pitched (i.e. the traditional length of a game). It is determined by dividing the number of earned runs allowed by the number ...

(ERA). In Japanese, the same translation (防御率) is used for both GAA and ERA, because of this. For ice hockey, the goals against average statistic is the number of goals a goaltender allows per 60 minutes of playing time. It is calculated by taking the number of goals against, multiply that by 60 (minutes) and then dividing by the number of minutes played. The modification is used by the NHL since 1965 and the IIHF since 1990. When calculating GAA, overtime goals and time on ice are included, whereas empty net and shootout goals are not. It is typically given to two decimal places. The top goaltenders in the

National Hockey League The National Hockey League (NHL; french: Ligue nationale de hockey—LNH, ) is a professional ice hockey league in North America comprising 32 teams—25 in the United States and 7 in Canada. It is considered to be the top ranked professional ...

have a GAA of about 1.85-2.10, although the measure of a good GAA changes as different playing styles come and go. The top goaltenders in the

National Lacrosse League The National Lacrosse League (NLL) is a men's professional box lacrosse league in North America. The league is headquartered in Philadelphia, Pennsylvania, Philadelphia, Pennsylvania. The NLL currently has fifteen teams: ten in the United Stat ...

however, have a GAA of about 10.00, and the top 2005

Western Lacrosse Association The Western Lacrosse Association (WLA) is a men's Senior A box lacrosse sanctioned by the Canadian Lacrosse Association. It consists of seven teams, based in cities throughout southwestern British Columbia. Each year, the playoff teams battle for ...

goaltenders had a GAA of about 9.00. At their best, elite NCAA water polo goalies have a GAA between 3.00 and 5.00. Since the statistic is highly dependent on the team playing in front of a goalie,

save percentage Save percentage (often known by such symbols as SV%, SVS%, SVP, PCT) is a statistic in various goal-scoring sports that track saves as a statistic. In ice hockey and lacrosse, it is a statistic that represents the percentage of shots on goal ...

is usually considered a more accurate measure of a goaltender's skill, especially in ice hockey and lacrosse, as it takes into account the number of shots the goaltender has faced. In soccer, since it is considered a part of the goalkeeper's job to coach defenders on proper positioning to prevent opponents' shots, GAA is more commonly used to evaluate goalkeepers than save percentage.

References

{{DEFAULTSORT:Goals Against Average Ice hockey statistics