The Arizona Diamondbacks had this game locked up.

A dominant offensive performance, a strong outing from their starting pitcher, and a 7-1 lead heading into the late innings should have been more than enough to secure a win in Baltimore. Instead, what unfolded at Camden Yards on Monday night was one of the most frustrating collapses of the young 2026 season—a 9-7 loss to the Orioles that left Arizona searching for answers.

Early Firepower: Marte and Arenado Go Off
From the very first pitch, Arizona came out swinging.

Ketel Marte wasted no time, launching a leadoff home run to immediately put the Diamondbacks on the board. He wasn’t done either—adding another solo shot later in the game to set the tone offensively.

Then came Nolan Arenado.

The veteran third baseman delivered one of his best performances in a Diamondbacks uniform, crushing two home runs—a two-run shot in the fourth inning and a massive three-run blast in the sixth. By the time he circled the bases for the second time, Arizona had built a commanding 7-1 lead, and it felt like the game was firmly in control.

This was exactly the kind of offensive explosion Arizona has been searching for—timely power, runners driven in, and pressure applied inning after inning.

And yet… it wouldn’t be enough.

Ryne Nelson Does His Job
Lost in the chaos of the collapse is how solid Ryne Nelson was on the mound.

The right-hander delivered 5.1 strong innings, limiting Baltimore’s offense and keeping them off balance throughout the night. He allowed minimal damage, struck out multiple hitters, and exited the game with a comfortable cushion and momentum firmly on Arizona’s side.

This should have been a win for Nelson.

Instead, it became another example of a strong start wasted.

The Sixth Inning That Changed Everything
The turning point came quickly—and violently.

After Nelson exited in the sixth inning, the bullpen stepped in, and everything unraveled. Baltimore chipped away with a run to make it 7-2, then loaded the bases. What followed was the moment that flipped the entire game:

A grand slam.

Just like that, the lead was cut to 7-6, and the energy inside Camden Yards completely shifted. What had been a quiet night for the Orioles turned into a full-blown comeback.

Arizona had gone from cruising… to hanging on… in a matter of minutes.

The Seventh Inning: Lead Lost
If the sixth inning cracked the door open, the seventh blew it off the hinges.

After putting a runner on base, Arizona’s bullpen gave up a two-run home run, turning a 7-6 lead into an 8-7 deficit. In back-to-back innings, the Diamondbacks allowed six runs and completely surrendered control of the game.

There was no response from the offense after that.

No counterpunch.

Just silence.

Insurance Run Seals It
Baltimore added one more run in the eighth inning with another solo homer, pushing the lead to 9-7 and putting the game out of reach.

Despite outhitting the Orioles and launching four home runs of their own, the Diamondbacks couldn’t recover from the bullpen meltdown.

What Went Wrong
​This loss wasn’t about one mistake—it was about a complete breakdown in execution late in the game.

When your offense scores seven runs and hits four homers, you expect to win. Every time.

Arizona didn’t.

What It Means Moving Forward
This is the kind of loss that lingers.

Not just because of the result—but because of what it exposes.

The Diamondbacks have shown flashes of being a dangerous offensive team, especially when players like Marte and Arenado are locked in. But games like this highlight a major concern: can this bullpen hold a lead?

If Arizona wants to compete consistently—especially on the road—these are the games they must close out.
Because in Major League Baseball, momentum is everything.

And right now, the Diamondbacks just let it slip away.

Final Thoughts
A 7-1 lead.
Four home runs.
A strong start on the mound.
And still… a loss.

​That’s a tough one.

​​​​​​​Don’t miss The S3 Podcast with Jeff Demers (JD) and Marnie Tisdale (Lady M), streaming every Friday at 4PM PST (schedule may vary based on live press coverage) on our YouTube channel. Catch the replay anytime on your favorite podcast platform!