Mallace attended Henry Sibley High School in Mendota Heights, Minnesota.
[5] At the end of the 2017 season Mallace entered the 2017 MLS Re-Entry Draft after Seattle declined his contract option.
[6] Following his release from Los Angeles, Mallace joined USL Championship side Austin Bold ahead of their inaugural season.
Despite living in America throughout his life, Mallace had not ruled out play for the Scotland national team.
This biographical article related to association football in Scotland, about a midfielder born in the 1990s, is a stub.