De La Rosa allowed one run on one hit over two innings against the Giants on Friday. He also struck out three and walked two.
Coming back from a long absence due to a disabled list stint, De La Rosa wasn't expected to hurl more than three frames. He threw 43 pitches, 23 of which were for strikes. He is 4-5 with a 4.17 ERA, 1.17 WHIP and 52 strikeouts in 49.2 innings this season. He is scheduled to pitch again Wednesday versus Colorado.