One early story line this season has not been an issue for the Giants. While several teams have had to demote their closers, Sergio Romo’s teammates have watched him dominate.

Romo not only has six saves in six tries, he has retired 18 of his 20 hitters, 10 on strikeouts.

“I feel pretty good right now,” he said. “It’s a long season. I’ve still got a lot of work to do. I’m really happy with the way I’ve started. I’m just trying to do right alongside my teammates.”

Romo found trouble in a 7-6 game Thursday when David DeJesus lined a one-out double to right, but he got the save by striking out Starlin Castro and Anthony Rizzo, who had hit a two-run homer the other way against Ryan Vogelsong. Rizzo argued the called third strike, a two-seamer from Romo that might have been inside but was too close to take with two strikes.

Romo leads the majors with six saves.

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Vogelsong will be the first to say he is not right. He has not pitched his best in his two starts and has allowed 10 runs, nine of them earned, in 11 1/3 innings. If not for the Giants’ big offensive rally today, and his shutdown work over the final three innings, he could be 0-2.

I asked Vogelsong if, after allowing three runs by the third inning, he had to resist the temptation to say, “What the hell is going on here?”

“No, I actually did that,” he said. “I even asked Rags, ‘What the hell is going on?’ I really haven’t been comfortable on the mound. I sjust don’t feel like I should, like I did in spring training. I’ve got to hit the video and look at some stuff.”