MLB 2026 Predictions: Breakout Teams, WBC Surprises, and the Postseason Race

Happy New Year, baseball fans! As we turn the page to 2026, the sport is brimming with anticipation after an unforgettable 2025 season. From breakout teams to storylines that will dominate headlines, we asked MLB experts for their boldest predictions for the year ahead. Here’s a look into the crystal ball for the next 12 months of baseball.

Breakthrough Teams to Watch

Baltimore Orioles: 2026 World Series Contenders

After finishing last in the AL East in 2025, the Baltimore Orioles ended the season with 75 wins, the most ever for a fifth-place team in the division. Over the offseason, the franchise made aggressive moves to surround their young core with veteran talent, bringing in Pete Alonso (1B), Taylor Ward (OF), Shane Baz (RHP), Zach Eflin (RHP), and closer Ryan Helsley.

Experts predict that several key players could make big leaps:

Gunnar Henderson is expected to return to his 2024 form.
Trevor Rogers could continue building on his impressive 2025 performance.
Samuel Basallo, a top prospect, is primed for a breakout season.
Jackson Holliday could emerge as a legitimate AL All-Star, potentially making a 30/30 run in home runs and stolen bases.

Eric Karabell emphasizes that the Orioles are “not messing around” in 2026, and with the combination of veteran presence and young talent, Baltimore could be poised for a World Series run.

Seattle Mariners: Chasing Their First Championship

The Seattle Mariners may finally capture the elusive first World Series title in franchise history. Analysts highlight the emergence of Julio Rodriguez as one of the best players in the game, while Cal Raleigh continues his dominance as one of the top catchers in MLB.

Adding to the excitement, Colt Emerson is expected to debut in May and could be a strong contender for the AL Rookie of the Year Award. Buster Olney predicts that the Mariners are entering a period of dominance reminiscent of the Astros’ 2015–24 dynasty, potentially laying the foundation for years of sustained success.

Dominican Republic to Spoil the WBC Rematch

The 2026 World Baseball Classic is set to feature a highly anticipated rematch of the 2023 final, with defending champion Japan fielding stars like Shohei Ohtani and Yoshinobu Yamamoto. The United States will bring a powerhouse roster featuring Aaron Judge, Cal Raleigh, Bobby Witt Jr., Kyle Schwarber, Tarik Skubal, and Paul Skenes.

However, MLB analyst David Schoenfield predicts a Dominican Republic victory. Their lineup is a “pitcher’s nightmare,” including:

Juan Soto, Vladimir Guerrero Jr., Jose Ramirez, Julio Rodriguez, Ketel Marte, Junior Caminero, Fernando Tatis Jr., Elly De La Cruz, and possibly Manny Machado.

The key for manager Albert Pujols will be assembling the right rotation from a talented pitching staff potentially featuring Cristopher Sanchez, Freddy Peralta, Framber Valdez, Luis Castillo, Sandy Alcantara, Jhoan Duran, and Bryan Abreu. After winning the WBC in 2013 and posting early exits in 2017 and 2023, the DR could make an undefeated run, delivering memorable home runs, big bat flips, and highlight-reel moments.

The Pittsburgh Pirates: Ending a Postseason Drought

The Pittsburgh Pirates aim to reach the postseason for the first time since 2015, with a clear offseason priority: upgrade an offense that ranked last in MLB in runs scored. While the team missed out on top hitters like Kyle Schwarber and Josh Naylor, they still bolstered their lineup with:

Ryan O’Hearn (1B/DH)
Brandon Lowe (2B)
Jake Mangum (OF)
Top prospect Jhostynxon Garcia (OF)

Offensive numbers from 2025 illustrate the potential for improvement:

Spencer Horwitz led the Pirates with a 119 wRC+.
Joey Bart was the only other Pirate above league average with 101 wRC+.
O’Hearn posted a 127 wRC+ as a first-time All-Star, and Lowe recorded a 114 wRC+.
Power contributors include O’Neil Cruz (20 HRs), Bryan Reynolds (16 HRs), Lowe (31 HRs), and O’Hearn (17 HRs).

Add in shortstop Konnor Griffin, a highly regarded 20-year-old prospect, and the Pirates could have a lineup capable of competing for a playoff spot.

Pittsburgh finished 12 games behind the Reds for the third Wild Card in 2025. Analysts note that 83 wins won’t be enough in 2026, but with a strong pitching staff — highlighted by Paul Skenes, who posted a 1.97 ERA and won the NL Cy Young — and an improved offense, the Pirates could finally make noise in the postseason.

Looking Ahead to 2026

From the Orioles’ resurgence to the Mariners’ historic run, the Dominican Republic’s WBC powerhouse, and the Pirates’ potential breakout, 2026 promises to be an exciting year for MLB fans. With fresh talent emerging, established stars stepping up, and dramatic storylines unfolding on the field, the new season could deliver memorable moments across the league.