Brett Sullivan delivers Rockies’ first career multihomer game as momentum swings after May struggles

Brett Sullivan’s week has taken an abrupt turn from frustration to sudden, productive noise. After a Wednesday night pinch-hit moment that helped set up a Rockies walk-off win, the catcher followed with the first multihomer game of his career on Thursday afternoon, blasting two home runs in Colorado’s 9-3 loss to the Cubs. Even in defeat, the performance offers a clean snapshot of what Sullivan can change when his timing and impact are aligned.

Sullivan’s recent stretch matters to the Rockies because it comes at a time when consistency has been harder for many hitters to come by. The club has had to manage the ebb and flow that comes with a long season and a lineup that needs multiple paths to production. Sullivan’s two-homer output is not just a statistical milestone, it is also a sign of his ability to create real, immediate damage rather than relying on smaller offensive contributions.

The contrast in consecutive games also frames the kind of “momentum” stories baseball tends to produce. On Wednesday night, Sullivan’s pinch-hit single helped set up Sterlin Thompson’s winning single during the Rockies’ walk-off finish. That setup role is an important detail, because it shows Sullivan contributing in a high-leverage moment even before Thursday’s power display.

Thursday’s game ended with Colorado still on the wrong side of the score, which tempers any tendency to overread one day’s production. A first career multihomer game does not automatically erase prior offensive difficulties, and the context from the same team report points to a slow May that Sullivan has been working to bounce back from. The practical challenge now is sustaining the approach and contact quality that produced back-to-back impact.

As a catcher, Sullivan’s offensive development has extra weight. The position often demands attention to preparation and receiving, and teams frequently prioritize steady performance there even as the lineup tries to find its most reliable bats. When a catcher can add meaningful pop, it changes how managers can construct at-bats and how the team can absorb the inevitable scoring droughts that appear over the course of a season.

For the Rockies, the timing of this kind of performance is significant because it offers something more durable than one swing. Two-homer games typically reflect a hitter getting to a comfort zone, whether that is pitch selection, pitch recognition, or timing off the mound. In the near term, the club will want to see whether Sullivan’s power is supported by improved at-bat quality, not just by one sequence of favorable pitches.

Looking ahead, the immediate watch is whether Sullivan can carry any gains from this burst into the next series and beyond his personal milestone. A bounce-back after a slow stretch is most meaningful when it becomes a trend, not a headline. If he can stay productive while the Rockies continue to search for offense across the lineup, Sullivan’s recent output could become one of the steadier pieces Colorado builds around.

The other storyline is team development in a season that rarely rewards perfect answers. Sullivan’s ability to deliver both in late-game pinch usage and with multi-homer impact suggests a player who is capable of influencing games in different ways. The challenge for the Rockies is turning those individual moments into repeatable contributions that help close the gap in tight games and keep runs coming when the margin gets thin.