CHICAGO: Pete Crow-Armstrong had heard the chants throughout the season.
From the Tokyo Dome in March to ballparks across the National League, Cubs supporters repeatedly called out the three letters that had become attached to their young center fielder.
P-C-A.
On Friday afternoon at Wrigley Field, those chants carried historical significance.
Crow-Armstrong hit his 30th home run of the season against the St. Louis Cardinals, joining Sammy Sosa as the only Cubs players to record 30 home runs and 30 stolen bases in a single year.
The achievement placed one of Chicago's most exciting young players alongside one of the franchise's most recognizable offensive stars.
It also provided another measure of how extensively Crow-Armstrong had expanded his game.
The center fielder had already established a reputation for extraordinary defensive range.
Now he possessed a statistical achievement associated with players capable of combining substantial power and speed.
The milestone and the company
Sosa produced two 30–30 seasons for Chicago.
In 1993, he hit 33 home runs and stole 36 bases.
In 1995, he recorded 36 home runs and 34 stolen bases.
No Cubs player had repeated the achievement in the three decades that followed.
Crow-Armstrong entered Friday with 35 steals and 29 home runs.
One additional swing would place him alongside Sosa.
He delivered it against St. Louis.
The 30th homer completed the milestone and created another moment of celebration for a Cubs team preparing for postseason baseball.
The achievement was particularly notable because Crow-Armstrong's early reputation had centered on defense.
Few questioned whether he could cover substantial territory in center field.
The more complicated issue was whether his offense would develop enough to make him a consistent major league threat.
Thirty home runs provided a compelling answer.
The milestone came in the fourth inning of a 12–1 win, with Kyle Tucker on base and two outs. Crow-Armstrong’s two-run homer against Miles Mikolas broke a 1–0 game open to 3–0. It was a productive swing within the game as well as the completion of the season’s power-and-speed target.
Chicago’s lineup supplied further milestones around him. Michael Busch hit his 32nd homer in the fifth, and Seiya Suzuki’s seventh-inning grand slam was his 30th. The Cubs scored seven times in that seventh inning, taking what had been a competitive game out of reach. Nico Hoerner had opened the scoring with a first-inning homer; Crow-Armstrong’s shot was the second of Chicago’s four home runs.
On the other side, Colin Rea allowed two hits and no runs over 5⅔ innings while striking out seven. Chicago finished with 12 hits and limited St. Louis to five. Crow-Armstrong’s achievement therefore arrived during a complete team victory, with the center fielder contributing a decisive early run-producing swing before the larger seventh-inning rally. His 30th homer helped create the lead that the pitching staff protected.
Speed changes the nature of the offense
The 30–30 milestone requires two skills that do not always appear together.
A power hitter must generate enough quality contact to send at least 30 balls over the fence.
A successful base stealer needs speed, anticipation and the ability to recognize opportunities against opposing pitchers and catchers.
Crow-Armstrong has demonstrated both.
His speed influences games even when he does not attempt a steal.
Pitchers must account for his presence on base.
Defenders must prepare for aggressive movement.
And opposing outfielders cannot assume that a ball hit into the gap will produce a routine double.
Those pressures create opportunities for the rest of Chicago's lineup.
The home-run production adds another dimension.
Pitchers can no longer evaluate Crow-Armstrong primarily as a speed threat.
They must account for the possibility that one hittable pitch can leave the ballpark.
That combination makes him a particularly demanding opponent.
Defense remains part of the equation
Crow-Armstrong's offensive achievement should not overshadow the skill that helped establish him in the major leagues.
His defensive range remains central to Chicago's run prevention.
Center field is a premium defensive position, particularly at Wrigley Field, where wind and variable conditions can turn routine-looking fly balls into difficult assignments.
Crow-Armstrong possesses the speed to cover ground and the instincts to recognize where a batted ball is traveling.
His ability to complete difficult catches reduces the amount of offense opposing teams can generate.
For Chicago's pitchers, that support is valuable.
A ball that might become an extra-base hit against another outfielder can become an out when Crow-Armstrong reaches it.
That combination of defense, speed and power makes his season unusually significant.
He is influencing games in all three areas.
The crowd understands what it is watching
After reaching the milestone, Crow-Armstrong acknowledged the Wrigley Field crowd.
He raised his cap and patted his heart while the fans continued chanting.
The response reflected the relationship he has developed with Chicago supporters.
The center fielder plays with visible energy, whether attacking a ball in the gap or running the bases.
That style has helped make him one of the team's most recognizable players.
But the statistical achievement gives the excitement substance.
Crow-Armstrong is not simply entertaining.
He is producing at a level few Cubs have reached.
A milestone with postseason consequences
The Cubs are preparing for October, and Crow-Armstrong will be central to their chances.
His speed can help manufacture runs against elite pitching staffs.
His defense can prevent opponents from converting difficult contact into extra bases.
And his power provides the possibility of changing a close game with one swing.
Those qualities become particularly valuable in a short postseason series, where opportunities can be limited.
The milestone is an individual achievement.
But its larger importance is the kind of player Chicago now possesses.
Crow-Armstrong entered professional baseball with exceptional defensive tools and considerable offensive potential.
In 2025, he has demonstrated that those abilities can operate together.
Sosa's name remains one of the most recognizable in Cubs history.
Crow-Armstrong has now joined him in a statistical category that had remained untouched for 30 years.
For a franchise entering October, it is another reason to believe its young center fielder can shape meaningful games.