|Born: January 11, 1974|
Vancouver, British Columbia
|September 22, 2002, for the Oakland Athletics|
|Last MLB appearance|
|October 2, 2004, for the St. Louis Cardinals|
|Runs batted in||8|
A native of Vancouver, British Columbia, McKay has lived his entire life in the US; he attended Horizon High School and Arizona State University. In 1994, he played collegiate summer baseball in the Cape Cod Baseball League for the Yarmouth-Dennis Red Sox.
McKay was twice drafted and not signed. First, by the San Francisco Giants in the 48th round of the 1992 Major League Baseball draft (1335th overall) and by the St. Louis Cardinals in the 5th round of the 1995 Major League Baseball draft (127th overall). He was drafted by the Oakland Athletics in the 9th round of the 1996 Major League Baseball draft (255th overall) and did sign.
He is the son of former player and Arizona Diamondbacks first base coach Dave McKay. On December 13, 2007, he was implicated for use of banned performance-enhancing substances on page 197 of the Mitchell Report.<ref>Copy of the Mitchell Report from ESPN</ref
- "Major League Baseball Players From the Cape Cod League" (PDF). capecodbaseball.org. Retrieved September 25, 2019.