He was cut just at the end of Spring, but was immediately re-added to the major league roster when center fielder Brett Butler fractured his left middle finger in the home opener.

[3] Despite batting .306 with 46 RBIs for the triple A Calgary Cannons, Gallagher did not fit into the Mariners' future plans, and asked for his release.

[4] Gallagher joined the Chicago White Sox as a non-roster Spring training invitee in 1988, but again failed to make the major league roster, and was reassigned to triple A.

[5] In his first game for the Chisox, Gallagher went two for three with a triple, a walk two RBIs and two runs scored to lead his team to a 7–5 victory over the Toronto Blue Jays.

[6] The following day, he hit a home run off Mark Eichhorn in the thirteenth inning for the walk off victory over Toronto.

[7] Gallagher continued his hot hitting, and became the White Sox starting center fielder for the remainder of the season.

[11] Gallagher was used primarily as a pinch hitter and late inning defensive replacement during his two-season stay in New York City.

On July 18, 1993, Gallagher hit his only career grand slam against the San Francisco Giants' Michael Jackson.

[13] Though the Angels were interested in bringing Gallagher back for the 1996 season,[14] the two sides were unable to reach an agreement.