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NewsPITJun 14, 2026, 7:55 PM EDTSignal confidence 75%

Rockies set franchise record with 23-run eruption against A's in Las Vegas

Colorado poured in a franchise-record 23 runs in a 23-9 win over the A's in Las Vegas on Sunday, per Yahoo Sports, with six home runs including a grand slam from Willi Castro.

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What happened

The Colorado Rockies set a franchise record for runs scored in a single game on Sunday, routing the Athletics 23-9 in Las Vegas, per Yahoo Sports. The final line included 23 runs, six home runs, and five walks, with four different A's pitchers each allowing four or more earned runs. It was, by any measure, a thorough afternoon's work.

The game was played at Las Vegas Ballpark in the suburb of Summerlin — a facility that ordinarily serves as the home of the A's Triple-A affiliate — with temperatures reaching 106 degrees, per Yahoo Sports. The A's had been hosting a six-game stand there this week as part of their ongoing nomadic arrangement ahead of a planned full-time move to Nevada in 2028. Sunday was the final game of that stand.

Why it matters

A franchise-record 23 runs is the kind of number that tends to outlast the box score. For the Rockies, it represents the high-water mark in the club's history, and it arrived in circumstances that were, to put it gently, unusual: an outdoor ballpark in the Nevada desert in June, in triple-digit heat, against a team playing what amounts to a temporary home schedule in a minor-league stadium.

For the A's, the optics carry their own weight. The six-game Las Vegas stand was, in part, a preview for the fanbase the franchise hopes to cultivate before its planned 2028 arrival. Surrendering a franchise-record offensive performance to the Rockies is not the advertisement the organization would have drawn up. Four pitchers allowing four or more earned runs apiece has a way of making an impression — just not the intended one.

The outdoor venue and the heat are worth noting not as excuses but as context. Las Vegas Ballpark is a Triple-A facility. It hosted a major-league game on a day when the temperature hit 106 degrees, per Yahoo Sports. The league's willingness to schedule outdoor MLB games in the Nevada desert in June is, at minimum, a conversation the sport will be having more frequently as the A's relocation timeline advances.

The numbers

Willi Castro and Hunter Goodman each hit two home runs for Colorado, per Yahoo Sports. Castro's second of the afternoon was an eighth-inning grand slam that pushed the Rockies' lead to 22-9 and, per Yahoo Sports, moved the club into franchise-record territory. The six home runs as a team were part of an offensive output that also included five walks and produced the 23-run final.

Four A's pitchers allowed four or more earned runs each, per Yahoo Sports. Individual pitching lines beyond that threshold are not detailed in the report, but the aggregate result — nine runs allowed while the opposition scored 23 — speaks to a bullpen day that will not be featured in the franchise's Las Vegas promotional materials.

It is worth pausing on the construction of those 23 runs. Per Yahoo Sports, the Rockies tallied 24 hits, drew five walks, and hit six home runs to reach that total. Castro's grand slam in the eighth extended the lead to 22-9 before the final run crossed. The record, then, was not a product of one big inning quietly snowballing — it was a sustained, multi-homer, multi-walk effort spread across a full afternoon in the desert.

Where the club stands

The Pittsburgh Pirates carry a record of 82-80 (.506), sit third in the NL Central, and are listed as eliminated from both the division race and the Wild Card race. The Pirates are 21 games back in the division and rank fifth in the Wild Card picture, 6.0 games relative to the cut line, entering Sunday's home game against the Miami Marlins at PNC Park, where Paul Skenes is the probable starter against Max Meyer.

Pittsburgh then travels to face the Athletics at Sutter Health Park on Monday and Tuesday, with Jared Jones and Mitch Keller lined up as the probable starters for those games. That means the Pirates will be visiting the A's at their Triple-A affiliate's ballpark just days after the A's wrapped up their Las Vegas stand. The A's, it seems, are getting comfortable with the concept of hosting meaningful games in minor-league homes.

What we don't know yet

Per Yahoo Sports, the report does not include individual pitching lines for the four A's pitchers who allowed four or more earned runs, nor does it detail the full sequence of Colorado's scoring by inning beyond the eighth-inning grand slam. The report also does not specify whether any of the six home runs came from players other than Castro and Goodman — only that Castro and Goodman each hit two apiece.

The broader question of what the A's Las Vegas stand means for the franchise's long-term relationship with the city — and how the league will handle outdoor scheduling in extreme heat as that timeline progresses — is not addressed in the Yahoo Sports report. Those are operational and logistical questions the sport will presumably revisit before 2028.

What to watch

The A's return to their primary schedule following the conclusion of the six-game Las Vegas stand. How the franchise and the league characterize the stand publicly — and whether the scheduling of outdoor games in 106-degree heat draws any formal response — is worth monitoring as the relocation conversation continues.

For the Rockies, a franchise-record offensive performance is a data point, not a trend, and Yahoo Sports makes no claims about what it signals going forward. What it does establish, cleanly and without ambiguity, is a new number at the top of the franchise's all-time single-game run column: 23.

That number now belongs to a Sunday afternoon in Summerlin, in the heat, against a team that was technically playing at home. The A's future Nevada fanbase, whenever it fully materializes, will have plenty of time to work through their feelings about this one.

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