Jackie Gallagher played in just one game at outfield for the Cleveland Indians in 1923 and did not start.
He made no putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
Shorty Gallagher played in 2 games at outfield for the Cleveland Blues in 1901, starting in none of them. He made 2 putouts, had no assists, and committed one error, equivalent to .5 errors per game (estimate based on total games played in). He had no double plays.
Dave Gallagher played in 14 games at outfield for the Cleveland Indians in 1987, starting in 12 of them. He played for a total of 321 outs, equivalent to 11.89 9-inning games. He made 34 putouts, had one assist, and committed one error, equivalent to .084 errors per 9-inning game. He had one double play.
Bill Gallagher played in 2 games at outfield for the Philadelphia Quakers in 1883, starting in none of them. He made 3 putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
Bill Gallagher played in 9 games at outfield for the Baltimore Orioles in 1883, starting in none of them. He made 12 putouts, had 2 assists, and committed 3 errors, equivalent to .333 errors per game (estimate based on total games played in). He had one double play.
Joe Gallagher played in 12 games at outfield for the New York Yankees in 1939, starting in none of them. He made 18 putouts, had one assist, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
Joe Gallagher played in 20 games at outfield for the Brooklyn Dodgers in 1940, starting in none of them. He made 31 putouts, had one assist, and committed 2 errors, equivalent to .1 errors per game (estimate based on total games played in). He had no double plays.
Joe Gallagher played in 67 games at outfield for the St. Louis Browns in 1939, starting in none of them. He made 143 putouts, had 8 assists, and committed 9 errors, equivalent to .134 errors per game (estimate based on total games played in). He had one double play.
Joe Gallagher played in 15 games at outfield for the St. Louis Browns in 1940, starting in none of them. He made 27 putouts, had one assist, and committed one error, equivalent to .067 errors per game (estimate based on total games played in). He had one double play.
Dave Gallagher played in 55 games at outfield for the Philadelphia Phillies in 1995, starting in 41 of them. He played for a total of 1105 outs, equivalent to 40.93 9-inning games. He made 89 putouts, had one assist, and committed no errors, equivalent to 0 errors per 9-inning game. He had no double plays.
Bob Gallagher played in 42 games at outfield for the Houston Astros in 1973, starting in 24 of them. He played for a total of 786 outs, equivalent to 29.11 9-inning games. He made 77 putouts, had one assist, and committed no errors, equivalent to 0 errors per 9-inning game. He had no double plays.
Bob Gallagher played in 62 games at outfield for the Houston Astros in 1974, starting in 5 of them. He played for a total of 546 outs, equivalent to 20.22 9-inning games. He made 44 putouts, had no assists, and committed one error, equivalent to .049 errors per 9-inning game. He had no double plays.
Dave Gallagher played in 77 games at outfield for the Atlanta Braves in 1994, starting in 23 of them. He played for a total of 1083 outs, equivalent to 40.11 9-inning games. He made 88 putouts, had one assist, and committed one error, equivalent to .025 errors per 9-inning game. He had no double plays.