As we enter Week 12 of the fantasy baseball season, astute managers have a chance to capitalize on undervalued assets. This week, five hitters shine: Willi Castro, Josh Smith, Miguel Vargas, Ryan McMahon, and Sal Frelick. Each of these players has shown potential for significant impact, making them worthy additions to your roster.

Willi Castro of the Minnesota Twins has returned from injury with impressive stats, batting .370 over his last seven games. Josh Smith's versatility and recent performance for the Texas Rangers have made him a key contributor. Meanwhile, Miguel Vargas of the Chicago White Sox is establishing himself as a reliable hitter, while Ryan McMahon is leveraging Coors Field's advantages. Finally, Sal Frelick continues to impress with his solid batting average and base-stealing skills for the Milwaukee Brewers. These players present various opportunities for fantasy managers looking to enhance their lineups as the summer months approach.

The Boston Red Sox made a significant trade, sending Rafael Devers, the last member of their 2018 World Series team, to the San Francisco Giants. This move is poised to bolster the Giants, who boast the fifth-best record in the National League. In fantasy baseball, Week 12 presents several key hitter pickups. Ryan McMahon of the Colorado Rockies, currently 29% rostered, has been on fire at home, slashing .291/.426/.544. Sal Frelick from the Milwaukee Brewers is also worth a look, batting close to .300 and excelling in stolen bases. Alejandro Kirk of the Toronto Blue Jays is performing like a top-10 catcher, hitting .370 over the last two weeks. J.P. Crawford of the Seattle Mariners is consistently hitting well, while Max Muncy of the Athletics, although less rostered, is showcasing his power and versatility, making him an intriguing option for fantasy lineups.

Jacob Misiorowski made a stunning debut for the Milwaukee Brewers, throwing five no-hit innings before cramping forced him to exit. His performance contributed to a remarkable collective effort, as the Brewers held the New York Yankees hitless for over ten innings on September 10, 2023, but ultimately lost the game. This marked the 37th time in franchise history that a Brewers pitcher took a no-hitter into the seventh inning, with only two games resulting in a complete no-hitter for the team.

The history of near-misses for the Brewers highlights a legacy of pitching prowess. Corbin Burnes, renowned for his ability to dominate hitters, has had multiple near-no-hitters, including an eight-inning performance against the Yankees where a crucial double broke up the bid. Other notable instances include Odell Jones and Jim Slaton, who were tantalizingly close to completing no-hitters only to falter in the final innings. The Brewers' history showcases both the thrill and heartbreak that accompany such close calls.

As the MLB season progresses into Week 11, fantasy managers face a plethora of options on the waiver wire. Key players like Tyler Stephenson and Sal Frelick have emerged as must-adds due to their consistent performances and favorable matchups. Stephenson has been hitting well for the Cincinnati Reds while Frelick’s contributions in batting average and steals make him a valuable asset. Parker Meadows' impressive return for the Detroit Tigers also makes him a target as he looks to build on his leadoff role.

Other noteworthy choices include Chase Meidroth, who offers versatility across the infield positions, alongside Toronto's Ernie Clement and Minnesota’s Trevor Larnach, both providing a good balance of average and power. With younger talents like Christian Encarnacion-Strand now back from injury and making an immediate impact, fantasy owners would do well to assess their rosters and consider these potential streamers to bolster their lineups in the coming week.

Week 11 of the 2025 MLB season brings exciting waiver wire opportunities for fantasy baseball enthusiasts, especially among outfielders. With the Chicago Cubs, Milwaukee Brewers, Pittsburgh Pirates, and St. Louis Cardinals playing seven games each, maximizing plate appearances is essential. This week's picks feature a mix of one-week streamers and potential long-term roster additions.

Addison Barger of the Toronto Blue Jays is highlighted for his impressive performance, posting a .299 average with 6 home runs and 17 RBIs since May. Roman Anthony from the Boston Red Sox shows promise as a top prospect, likely to make his MLB debut soon. St. Louis Cardinals' Victor Scott II stands out for his speed, having stolen 17 bases, while Parker Meadows of the Detroit Tigers offers a blend of power and speed returning from injury. Sal Frelick from the Brewers is also a strong contender with consistent hitting.