Morgan kept the fourth inning from changing owners
The swing everybody noticed was Manny Machado's two-run homer in the top of the fourth. The reason it kept its full value was the bottom half of the inning. David Morgan entered with one out and the bases loaded, which is the kind of spot that can turn a fresh lead into a very brief memory.
It did not begin cleanly. Tommy Edman's sacrifice fly cut San Diego's lead to 2-1. Morgan then missed with four straight four-seamers to walk Mookie Betts and load the bases again. That is usually the part of an inning where the air changes. Instead, Morgan made the inning smaller. He got Shohei Ohtani into an eight-pitch plate appearance, fell behind 3-1, then threw four straight strikes. The last was a 98.5 mph sinker for a swinging strike, and the inning ended with three runners left aboard. Officially, it goes down as two outs, one run, one walk and one strikeout. In the shape of the game, it was larger than that. San Diego had just taken control of the scoreboard; Morgan kept Los Angeles from taking it right back. In a 5-1 game where the Dodgers finished with ten hits, that escape was not background noise. It was the hinge.
Machado's one hit did most of the damage
There are nights when 1-for-4 tells you almost nothing useful. Manny Machado's night was one of them. He finished with one hit, but it was a two-run home run to center in the fourth, measured at 409 feet, and he added a sacrifice fly in the fifth. That is three RBI in a 5-1 win. Sometimes one swing does not need much company.
The useful part is not just that Machado drove in runs. It is where his production sat inside the game. San Diego did not spend the night overwhelming Los Angeles with constant traffic; the Padres finished with eight hits and still scored five times. Machado supplied the loudest conversion with the fourth-inning homer, then added another run an inning later when Fernando Tatis Jr. scored on the sacrifice fly. If you are looking for the arithmetic of the game, start there: three of San Diego's five runs belonged to Machado's bat, even on a line that looked modest at first glance. Baseball does that sometimes. A stat line can look thin and still contain the middle of the night.
Yamamoto's loss looked worse than his six innings
Yoshinobu Yamamoto's line is the part of this game that could get flattened if you read it too fast. He took the loss and allowed four runs in six innings. That much is final. But he also allowed only five hits, walked one, struck out four, and gave up one home run over 88 pitches. Two of the four runs were earned. This was not a night when San Diego spent six innings taking him apart.
That matters because it explains the kind of loss the Dodgers actually absorbed. Machado's homer did obvious damage, and the fifth-inning sacrifice fly added another run, but Yamamoto still covered six full innings and kept the game in a recognizable range. There is a difference between a starter who buries his club early and one who loses a handful of decisive moments. Yamamoto was in the second category. The Padres punished the exact spots that mattered most, and Los Angeles never reclaimed those innings. So yes, the scoreboard says Yamamoto allowed four. The texture of the game says something slightly different: the Dodgers got a start sturdy enough to survive, then lost the leverage anyway.
Why the box score only tells half of this one
This is why the hit totals only tell part of the story. Los Angeles finished with more hits, but San Diego owned the innings that asked for an answer. Machado turned two scoring chances into three RBI. Morgan walked into the Dodgers' clearest opening and left with the lead intact. Yamamoto, for all the damage attached to his line, still pitched deep enough that the game remained recoverable.
That is a familiar baseball trick. One side can make the game look busy; the other can make it look decisive. The Padres were the club that made the middle of the night count.