The Mariners piled up 16 more hits, three of them home runs, and were still beaten by the Australian World Baseball Classic team, 11-9.
Adrian Beltre, Franklin Gutierrez and Ronny Cedeno homered and the Mariners led 8-4 after four innings.
The Mariners relievers, however, had one long, tough night as the Australians beat up Miguel Batista, Roy Corcoran and Mark Lowe.
It was a game that didn't count in the Cactus League standings, but certainly didn't help Mariners pitching.
Digital Access for only $0.99
For the most comprehensive local coverage, subscribe today.
Afterward, manager Don Wakamatsu praised pitcher Garrett Olson, but said the rest of the group looked flat.
He was right.