
The opening weeks of the MLB season always trigger a frantic scramble on the waiver wire. Fantasy managers are often quick to burn through their FAAB budgets or waiver priorities on the latest high-profile rookie to make a splash on Opening Day. However, the savviest managers know that the best value often lies with the players who debuted late in the previous season and have yet to see their ownership percentages catch up to their actual production. Right now, there are several fantasy baseball free agent pickups that could define your season, led by Cincinnati’s rising star, Sal Stewart.
The Case for Sal Stewart: High Ceiling, Low Ownership
While the fantasy community has been fixated on the newest crop of top-100 prospects, Sal Stewart has flown somewhat under the radar. Having made his debut late last season, Stewart didn't have the benefit of a full off-season of hype cycles. This has left him as one of the most available high-upside bats in most standard leagues.
Stewart’s profile is exactly what fantasy managers should look for in a mid-season surge. He possesses an advanced approach at the plate and has shown an ability to handle major league velocity better than many of his peers. Because he isn't the "shiny new toy" of the current rookie class, he remains widely available in many ESPN and Yahoo leagues. If you are looking for a fantasy baseball free agent pickup who can provide immediate stability to your infield or utility spots, Stewart should be your top priority this week.
Rookie Watch: Wetherholt, McGonigle, and DeLauter
Beyond Stewart, the prospect landscape is shifting rapidly. Several other names are making significant noise in the minors or earning early-season call-ups that demand attention. If you have an empty bench spot, these are the names you need to know:
- JJ Wetherholt: A polished hitter who many scouts believe could be a perennial All-Star. His path to the majors is clearing up, and his multi-category potential makes him a stash candidate in deeper formats.
- Kevin McGonigle: Known for his elite contact skills, McGonigle is a name to watch for managers in OBP (On-Base Percentage) leagues. He rarely strikes out and could provide a massive boost to your team's batting average.
- Chase DeLauter: The Cleveland Guardians outfielder has the rare combination of power and speed. While he has dealt with some injury concerns in the past, his ceiling is as high as any outfielder currently available on the wire.
Pitching Reinforcements: From Starters to the Bullpen
If your rotation is struggling with early-season ERA bloat or injuries, there are a few arms worth targeting. Emerson Hancock remains a viable streaming option for the Seattle Mariners. While he may not provide elite strikeout numbers, his ability to pitch deep into games and play for a winning team makes him a strong candidate for quality starts and wins.
For those in deeper leagues looking for a reclamation project, Cody Ponce is a name surfacing in scouting reports. While he may not be a household name, his recent adjustments in the minor leagues suggest he could provide valuable depth if he finds his way back into a regular rotation role.
In the bullpen, the return of Jordan Romano is the biggest story. If Romano was dropped in your league due to his injury status, check your waiver wire immediately. He is a proven closer with elite save potential. Similarly, Lucas Erceg continues to impress with high-leverage stuff. Even if he isn't currently the primary closer for his club, his strikeout rate and ratios make him valuable in almost all formats.
Strategic Advice for Fantasy Baseball Free Agent Pickups
When navigating the early-season waiver wire, it is crucial to differentiate between a hot streak and a sustainable breakout. Players like Sal Stewart represent the latter—a player with the pedigree and the opportunity to remain a fixture in a major league lineup for the remainder of the year.
Don't hesitate to move on from underperforming veterans to make room for these high-upside youngsters. In the world of fantasy baseball, being a week too early on a pickup is always better than being a day too late. Prioritize Stewart and Wetherholt this week to ensure your roster stays ahead of the competition.
Sources & Original Reporting

