De La Rosa followed the script, and it resulted in his best outing since being acquired last December as the D-backs beat the Giants, 4-0, to sweep the three-game series.
De La Rosa (5-3) almost had the first complete game of his career, but departed after allowing back-to-back hits to open the ninth.
"He pitched like he can," Hale said. "We've seen this; we've seen he's got this kind of stuff, and he put it together today."
The outing was in stark contrast to the way the previous two starts had gone for De La Rosa.