Arizona takes 8-game losing streak into matchup with San Francisco

San Francisco Giants (15-18, fourth in the NL West) vs. Arizona Diamondbacks (13-19, fifth in the NL West)
Phoenix; Friday, 9:40 p.m. EDT
PITCHING PROBABLES: San Francisco: Tyler Anderson (1-1, 3.45 ERA) Arizona: Luke Weaver (1-4, 7.77 ERA)
BOTTOM LINE: Arizona enters the game as losers of their last eight games.
The Diamondbacks are 8-15 against teams from the NL West. The Arizona pitching staff averages 9.7 strikeouts per nine innings, Zac Gallen leads them with a mark of 10.5.
The Giants are