The 2025 fantasy baseball landscape is shifting as the first month of the MLB season wraps up, with several top prospects making their mark. Agustín Ramírez has emerged as a standout, quickly showcasing his talent after debuting with the Miami Marlins. Nick Kurtz also received a call-up, solidifying the need for fantasy owners to pay attention to rookie performances.

As we approach the Super-2 threshold, expect more exciting promotions. Among the ranked prospects, Roman Anthony and Bubba Chandler are poised to impact fantasy rosters soon. Jacob Misiorowski from the Milwaukee Brewers has been impressive, boasting a low ERA despite some walk issues, while Marcelo Mayer is heating up for the Boston Red Sox, posting extraordinary offensive numbers. Keep an eye on these prospects to optimize your fantasy rosters.

As the MLB season heats up, Week 5 presents a host of players riding impressive hot streaks, but discerning which to buy or sell is crucial for fantasy managers. Jose Quintana of the Milwaukee Brewers has shown promise with a 1.14 ERA, but underlying metrics suggest he might be due for a downturn, making him a candidate for selling. In contrast, Austin Hays of the Cincinnati Reds is on fire with a .388 average, making him a prime pickup. Jorge Polanco of the Mariners and rookie Agustin Ramirez of the Marlins have made strong cases for roster spots with solid performances, while Noelvi Marte's resurgence after struggles adds depth to fantasy rosters.

As we approach the week of April 28 - May 4, 2025, keep an eye on Agustin Ramirez of the Miami Marlins, who has made a stunning debut with a .474 batting average, including seven extra-base hits. His impressive power combined with speed makes him a valuable fantasy asset. Andy Pages of the Los Angeles Dodgers is also in the spotlight, showcasing a batting average of .650 over his last five games, with favorable matchups against struggling pitchers from the Marlins.

On the pitching side, Hunter Brown of the Houston Astros is a must-watch, boasting a stellar 1.22 ERA and six consecutive quality starts. He's expected to continue this streak against the Chicago White Sox. Meanwhile, Tony Gonsolin is returning from Tommy John surgery and could be a game-changer for the Dodgers, while Luke Weaver has stepped into the closer role for the Yankees, impressing with a perfect start this season.

As the 2025 MLB season enters Week 5, several players are making headlines with impressive performances. Jose Quintana of the Milwaukee Brewers has shown early promise with a 1.14 ERA, but given his expected batting average against, he may not be a reliable long-term option and is recommended as a sell. In contrast, Austin Hays from the Cincinnati Reds is on fire, boasting a .388 batting average with five homers, making him a strong buy. Jorge Polanco of the Seattle Mariners is also contributing significantly, hitting .377 with seven home runs, suggesting he's worth picking up. The Miami Marlins' Agustin Ramirez has made a splash in his debut, while Noelvi Marte from the Reds is reclaiming his prospect status with a strong showing. With these insights, fantasy managers must stay proactive on the waiver wire.

With the MLB season heating up, several players are standing out as potential must-adds for fantasy teams in the upcoming week. Agustin Ramirez of the Miami Marlins has made a striking debut, boasting a .474 batting average with an impressive seven extra-base hits in just 19 at-bats. His power combined with speed makes him a dual-threat, raising questions on how long he will remain under the radar. Meanwhile, Andy Pages from the Los Angeles Dodgers is riding a hot streak, with a .650 average in his past five games, making him a prime target for DFS lineups.

On the pitching side, Hunter Brown of the Houston Astros is on track for his seventh straight quality start, currently sporting a stellar 1.22 ERA. His matchup against the White Sox could extend his impressive run. Additionally, Tony Gonsolin is set to return from injury, and if he can replicate his previous All-Star form, he could be an invaluable asset for fantasy rotations. The New York Yankees have also made headlines by appointing Luke Weaver as their new closer after a standout performance late last season. With multiple avenues to gain value, fantasy owners should stay vigilant and make informed decisions in their lineup adjustments.