Athletics' David McKay: Called up Friday

McKay was called up from Triple-A Las Vegas on Friday.

McKay will join the Athletics' big-league roster after being claimed by the team July 12 following him being designated for assignment by the Rays. The reliever has produced a 9.00 ERA and 2.00 WHIP with one strikeout over four innings in three appearances with the Rays and Yankees this year. Domingo Tapia was optioned to Las Vegas on Friday in order to open a roster spot for McKay.