Arizona is 5-17 this season. They are 1-9 their last 10. Chicago is 11-3 at home in the series. In four starts, Jeff Samardzija ERA and WHIP of 1.29 and 1.071. Go with the home team if they are 3-1 their last four but winning percentage of .380 or less is +74.7 units.

Arizona their last seven games batting average and OBP of .189 and .232. The last five games Chicago has a slugging percentage edge of .419 to .284. Arizona is 0-10 this year -11.5 units versus an NL opponent with an OBP of .315 or worse.