Rubby De La Rosa limited the Giants to one hit over 5 2/3 innings in the Diamondbacks' 2-0 win Friday.
Diamondbacks manager Chip Hale said Sunday that the team may skip Rubby De La Rosa's next scheduled start.
Rubby De La Rosa was tagged for six runs in two-plus innings by the Dodgers on Saturday.
Rubby De La Rosa surrendered three runs on five hits over five-plus innings in Sunday's loss to the Cubs.
Rubby De La Rosa allowed three runs over six innings to earn the win in the second game of Tuesday's doubleheader against the Rockies.
Jorge De La Rosa struggled in Thursday's loss to the Cardinals, allowing five runs on five hits over five innings.
Rubby De La Rosa held the Reds to two runs over seven innings in a 6-3 win on Friday.
Rubby De La Rosa yielded one run in seven innings, but left with a no-decision in Sunday's 10-inning loss to the Braves.
Rubby De La Rosa got his 10th win of the season, allowing three runs in six innings, as the Diamondbacks rolled over the Phillies 13-3 on Monday.
Rubby De La Rosa picked up his ninth win, allowing two runs in five innings as the Diamondbacks beat the Nationals 11-4 on Wednesday.
Rubby De La Rosa struggled in a no-decision against the Astros on Friday, allowing four runs on eight hits over his six frames.
Rubby De La Rosa went eight scoreless innings Saturday in the Diamondbacks' 2-0 blanking of the Brewers.
Rubby De La Rosa delivered seven innings of one-run ball to beat the Marlins on Monday.
Rubby De La Rosa lasted only 3 2/3 innings, allowing four runs en route to a loss versus the Mets on Sunday.