The White Sox AL Central lead got bigger on Sunday, and it got bigger the way you want it to: with the kid you drafted, in the middle of the order, against the team chasing you. Colson Montgomery turned on a pitch in the third inning for a three-run homer, his 26th of the season, the exclamation point on a four-run frame. Chicago held on 5-3 over Cleveland.

Four runs in one inning was the whole ballgame. The Guardians got three back over the rest of the afternoon and never quite got over the top.

What happened in White Sox vs Guardians on Sunday

The third inning did the work. Chicago put up four, Montgomery supplied three of them with one swing, and from there it was a lead-protecting exercise against a Cleveland lineup that does not go quietly. Final: 5-3.

That is the shape of a lot of first-place baseball in August. You do not need eleven runs. You need one inning where everything lands in the outfield grass and a pitching staff that can sit on a two-run cushion for six innings without flinching. Chicago got both.

Why the White Sox AL Central lead matters now

Because of who it is coming against. Cleveland has been the division's default answer for most of the last decade, the organization that keeps finding pitching out of thin air and keeps hanging around in September whether or not anybody picked them in March. When you take a game from them in a head-to-head with the standings on the table, you are not just banking a win. You are taking one away from the team that would otherwise be closing.

And checked the almanac: two summers ago this same franchise lost 121 games, the most any team has dropped in a modern big league season, past even the 1962 Mets. Those Sox were a punchline by June. Now they are the ones with the cushion in August and a homegrown bat doing the damage. Baseball does not usually turn that fast. This one did.

I am not going to pretend a 5-3 Sunday settles a division. It settles nothing. But it is the kind of afternoon that separates a team playing with house money from a team that actually believes the standings.

What comes next for Colson Montgomery and the White Sox

Montgomery is the story here, and not only because he hit the loudest ball of the day. He was the organization's headline prospect through the worst stretch in its history, the guy fans clung to when there was nothing else in the system to talk about. Twenty-six homers is not a nice rookie-adjacent number anymore. That is a middle-of-the-order season, the kind of production a contender builds a lineup around rather than hopes for.

The next test is the boring one. Pitchers adjust in August. They stop giving him anything to turn on in a four-run inning and start living off the plate, and the answer has to be patience rather than effort. That is the part that decides whether this is a hot two months or a player.

For Cleveland, the road is narrower now. They have shown they can close ground in a hurry, and they have the pitching development track record to make a run at it, but they gave one back on Sunday to the team they most needed to catch. Sitting in second in August with the leader holding the head-to-head chip is a fine place to be. It is not a comfortable one.

What I am watching next: how the league pitches Montgomery over the next few weeks, and whether the White Sox rotation can keep handing four-run innings the four-run lead they deserve.