First, a dash of dirt. Next, a sprinkling of water. A little hand mixing and pretty soon Willie Bloomquist was covered in mud. The year of the dirty walk-off is getting awfully messy in the desert. Bloomquist lined his third hit for a run-scoring single in the 10th inning and the Arizona Diamondbacks celebrated with what has become their typical grimy walk-off celebration after beating the Toronto Blue Jays 4-3 on Wednesday.