Emmet Sheehan’s night started with a PitchCom issue.

There weren’t many hiccups for the Dodgers starter after that.

But, somehow, Los Angeles still lost.

Emmet Sheehan twirled a gem against the Cubs, but somehow, the Dodgers still lost. AP

The 26-year-old right-hander dominated the red-hot Cubs on Friday, but a Dodgers bullpen implosion saddled Los Angeles with a stunning 6-4 defeat at Dodger Stadium.

“He did a great job,” Dodgers manager Dave Roberts said of his starter. “It’s just unfortunate that we couldn’t get him a win. Because he pitched his tail off.”

Sheehan, who entered with a 5.85 ERA, struck out seven of the first nine batters he faced and appeared to have control of all his pitches.

His fastball velocity — the subject of much consternation earlier this year — dipped from 95-96 mph to 92-93 mph in the fourth inning, though it came back up later.

Sheehan ultimately went 6 1/3 innings and tied his career high with 10 strikeouts.…