Tuesday, August 18, 2026 — three days after the most spectacular debut in the history of the sport.
Joshua Báez homered in each of his first three major league at-bats on Saturday at Wrigley Field. No player has ever done that. The performance was so absurd it obscured something quieter and, for the Cardinals, just as important: the timing of his promotion was a calculated roster decision.
The Debut
Báez, 23, swung at the first pitch he saw in the majors — a 93.4 mph fastball from Matthew Boyd — and hit it 449 feet to dead center at 108.6 mph off the bat. That’s the third-longest debut home run since ESPN began tracking distances in 2006, behind only Jason Heyward in 2010 and Aaron Judge in 2016.
He followed with a solo shot down the left-field line, then an opposite-field drive in his third at-bat. Three different pitches, three different directions, five RBIs, an 8-4 Cardinals win.
Before Saturday, only Bob Nieman of the 1951 Browns and Keith McDonald of the 2000 Cardinals had ever homered in their first two career at-bats. Nobody had ever reached three.
Manager Oliver Marmol focused on something else entirely: “There was a calmness and a smile” as Báez rounded the bases and looked toward his new dugout.
The Part Nobody Tweeted About
Here is why the mid-August call-up matters beyond the highlight reel.
By promoting Báez in the final quarter of the season, St. Louis retains an additional year of club control. It also preserves his National League Rookie of the Year eligibility for 2027, provided he stays under 130 at-bats the rest of the way.
That second detail is not incidental. Under the current CBA, a club that promotes a top-100 prospect early enough and sees him finish top two in Rookie of the Year voting receives a bonus draft pick. By timing the debut this way, the Cardinals set themselves up to have Báez arrive as a full rookie next spring — with the draft-pick incentive intact and an extra year of control on the back end.
It is exactly the kind of calculation that will be relitigated in CBA negotiations this winter, since service-time manipulation sits near the top of the players’ priority list.
Where St. Louis Actually Is
The Cardinals were 62-61 after Saturday’s win, three games out of a Wild Card spot. They sold quietly at the deadline, sending Lars Nootbaar to Arizona, but did not tear anything down.
Báez was the ninth player to make his major league debut for St. Louis this season. That number tells the story better than the standings do: this is an organization pushing its young talent into the majors as quickly as it can while remaining nominally competitive.
The Names to Watch This Winter
A youth influx creates surplus, and surplus creates trades. Iván Herrera has already appeared on early offseason trade-candidate lists, and the Cardinals have a growing collection of infield and outfield prospects — JJ Wetherholt among them — that will eventually exceed the roster spots available.
Báez’s arrival accelerates all of it. A 23-year-old with that kind of power who is controllable through the early 2030s becomes the fixed point around which the rest of the roster gets organized.
Three home runs in three at-bats is the story everyone will remember. The service-time math is the one that decides what the Cardinals look like in 2029.
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