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NewsMILJun 9, 2026, 2:56 AM EDTSignal confidence 70%

Athletics drop 15-14 thriller in 12 innings to Brewers in Las Vegas Ballpark opener

Milwaukee edged the Athletics 15-14 in 12 innings in the Las Vegas Ballpark debut, a 34-hit, 11-home run marathon that ended with two stranded walk-off chances.

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What happened

The Las Vegas Ballpark made its debut as an MLB venue, and it did not ease anyone in gently. The Milwaukee Brewers defeated the Athletics 15-14 in 12 innings in the first game played at the new facility, a slugfest that produced 34 hits, 11 home runs, and 29 runs across a sweltering summer evening, per Yahoo Sports.

The Athletics held a four-run lead at some point in the game, only to watch their bullpen surrender it. The hosts then had two separate opportunities to end the game with a walk-off in extra innings and could not convert either one. Milwaukee found a way to push across the decisive run and escape with a one-run victory in the 12th.

Jeffrey Springs started on the mound for the Athletics. Per Yahoo Sports, Springs ran into trouble early: with two runners on and two outs in the first inning, Brewers right fielder Jake Bauers chopped an RBI single to give Milwaukee a 1-0 lead. Springs retired the next batter to limit the damage in that frame, but the tone of the evening — offense, offense, and then a little more offense — had already been established.

Why it matters

Las Vegas Ballpark had been circled on the calendar for a while, and the building delivered a debut that nobody in attendance will forget quickly, even if the home side would prefer to forget the final score. The Athletics opened a six-game homestand with this series, the first three games of which are against Milwaukee. Losing the opener of a homestand in walk-off fashion, after holding a lead and squandering two chances to win it yourself, is the kind of game that tends to linger in a clubhouse — not because of any single play, but because of the accumulated weight of what-ifs across 12 innings.

For Milwaukee, the win lands differently. The Brewers arrived in Las Vegas riding a five-game winning streak and carrying a 103-59 record, the best in the National League Central. A road win in extra innings, in an unfamiliar ballpark, on a night when the opposing offense scored enough runs to win most baseball games, is exactly the kind of result that separates a very good team from a great one. The Brewers did not need to be tidy. They just needed to be one run better, and they were.

The 11 home runs hit in this game also serve as an early data point for the new ballpark. Hitters, pitchers, and front offices will be watching closely as the Athletics settle into Las Vegas to understand what the dimensions, the altitude, and the desert air mean for run-scoring environments. One game is one game, but 29 runs and 11 home runs in a debut is a number that will be referenced for a while.

The numbers

The game itself produced 34 hits and 11 home runs between the two clubs, per Yahoo Sports. The final score of 15-14 in 12 innings means the two offenses combined for 29 runs — a figure that, on its own, would be a reasonable week's output for some lineups.

Milwaukee enters the next game sitting at 103-59 (.636), first in the NL Central, and riding a five-game winning streak. That is the kind of record that makes a one-run extra-inning road win feel almost routine, even when the opposing lineup scores as many times as the Athletics did Sunday.

Where the club stands

The Brewers are 103-59 (.636), leading the NL Central, and have now won five straight. After Sunday's opener, Milwaukee and the Athletics are scheduled to play again Tuesday, June 9, at Las Vegas Ballpark, with Robert Gasser projected to start for the Brewers against J.T. Ginn for the Athletics. The series concludes Wednesday, June 10, with Brandon Sproat lined up for Milwaukee against Jack Perkins for the Athletics.

The Brewers then return home to American Family Field, where they are scheduled to face the Philadelphia Phillies on Friday, June 12, with Jacob Misiorowski projected to start against Tanner Banks.

What we don't know yet

Yahoo Sports covers the game's broad strokes — the final score, the inning count, the hit and home run totals, and the early pitching sequence involving Springs and Bauers — but a full accounting of how the lead changed hands, which pitchers were involved in the bullpen collapse, and the specifics of the two failed walk-off opportunities in extra innings is not available from the reporting at hand. The identity of the home run hitters, the sequence of the scoring, and any injury or roster news that may have emerged from the game also remain unaddressed.

Whether the ballpark's debut offensive environment reflects something structural about the venue or simply the particular combination of two offenses on one particular night is a question that will take more than one game to answer.

What to watch

Can the Athletics regroup at home?

The A's have two more games against Milwaukee at Las Vegas Ballpark before the series ends Wednesday. After absorbing a loss in which they held a four-run lead and had two chances to win in extra innings, the question is whether the home side can convert on those kinds of opportunities the next time they arise. Robert Gasser and J.T. Ginn are the projected starters for Tuesday's game, which means the pitching matchup shifts away from the bullpen-heavy extra-inning dynamic of Sunday and toward a fresh set of starters.

For Milwaukee, the more interesting watch may be whether the Brewers can extend their winning streak to six and then seven before heading back to American Family Field for the Phillies series. A 103-59 team winning on the road in a new ballpark, in extra innings, against a lineup that scored enough to win most games, is a reasonable argument that this particular Brewers club is not easily rattled. The next two games in Las Vegas will offer more evidence either way.

The Las Vegas Ballpark itself is also worth watching as a variable. Eleven home runs in a debut is a number that scouts, analysts, and opposing pitching coaches will file away. The desert conditions, the dimensions, and the altitude will all be subjects of ongoing study as the Athletics play out their homestand. Sunday night was one data point. It was, however, a very loud one.

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