Overview

• The three-game set opens Friday night in Seattle with the season series even at 5-5.
• Oakland turns to rookie right-hander Luis Morales for his fourth big-league outing since an Aug. 1 call-up.
• Seattle starts Bryan Woo, resolving earlier pregame uncertainty about the Mariners' pitching plan.
• The Mariners enter on a five-game skid after a 2-7 trip, though they are 37-25 at home this season.
• Tyler Soderstrom carries a 19-game hitting streak after a 4-for-4 day as the A's arrive having won eight of their last 11.