(Phoenix, AZ) -- The Mariners managed just six singles and a Mitch Hanigar double in a 5-2 loss to the Diamondbacks in Phoenix. Mike Leake took the loss, giving up five runs over six innings. Both Seattle runs were unearned. The Mariners are off today and continue this trip tomorrow in San Diego with Felix Hernandez starting. The M's trail AL-West leader Houston by six-and-a-half games.