John Costello (baseball)
Encyclopedia
John Reilly Costello is a former relief pitcher
in Major League Baseball
who played for the St. Louis Cardinals
(-), Montreal Expos
and San Diego Padres
. He batted and threw right-handed.
In a four-season career, Costello posted a 11-6 record with a 2.97
ERA
and four saves
in 119 games pitched
.
Relief pitcher
A relief pitcher or reliever is a baseball or softball pitcher who enters the game after the starting pitcher is removed due to injury, ineffectiveness, fatigue, ejection, or for other strategic reasons, such as being substituted by a pinch hitter...
in Major League Baseball
Major League Baseball
Major League Baseball is the highest level of professional baseball in the United States and Canada, consisting of teams that play in the National League and the American League...
who played for the St. Louis Cardinals
St. Louis Cardinals
The St. Louis Cardinals are a professional baseball team based in St. Louis, Missouri. They are members of the Central Division in the National League of Major League Baseball. The Cardinals have won eleven World Series championships, the most of any National League team, and second overall only to...
(-), Montreal Expos
Montreal Expos
The Montreal Expos were a Major League Baseball team located in Montreal, Quebec from 1969 through 2004, holding the first MLB franchise awarded outside the United States. After the 2004 season, MLB moved the Expos to Washington, D.C. and renamed them the Nationals.Named after the Expo 67 World's...
and San Diego Padres
San Diego Padres
The San Diego Padres are a Major League Baseball team based in San Diego, California. They play in the National League Western Division. Founded in 1969, the Padres have won the National League Pennant twice, in 1984 and 1998, losing in the World Series both times...
. He batted and threw right-handed.
In a four-season career, Costello posted a 11-6 record with a 2.97
ERA
Earned run average
In baseball statistics, earned run average is the mean of earned runs given up by a pitcher per nine innings pitched. It is determined by dividing the number of earned runs allowed by the number of innings pitched and multiplying by nine...
and four saves
Save (sport)
In baseball, a save is credited to a pitcher who finishes a game for the winning team under certain prescribed circumstances. The number of saves, or percentage of save opportunities successfully converted, is an oft-cited statistic of relief pitchers...
in 119 games pitched
Games pitched
In baseball statistics, games pitched is the number of games in which a player appears as a pitcher; a player who is announced as the pitcher must face at least one batter, although exceptions are made if the pitcher announced in the starting lineup is injured before facing a batter, perhaps while...
.