Fantasy Week 12 waiver wire tilts toward leadoff bats and “streamable” matchups

A week-by-week fantasy baseball landscape is starting to sort itself out by roles, not just raw talent, and Corbin Young’s Week 12 hitter waiver wire made that clear. In his analysis, Young frames the best add targets as the ones most likely to produce fantasy volume, either by living near the top of the order or by getting favorable weekly matchups. The schedule also matters, with Young noting this is a six-game week for most teams, while only the Orioles and Mariners play seven.

The Pirates’ angle is straightforward: Young’s top pickup is Spencer Horwitz, calling him the team’s primary leadoff hitter since May 24, when he moved into the opening spot for most games. Young also points to skill indicators that translate into fantasy value, citing elite plate-discipline contact and a career.387 on-base percentage, along with a barrel rate around the league-average range. For the Week 12 slate, Young’s matchup projections include multiple prominent starters, including Shohei Ohtani and Sandy Alcantara, with Horwitz positioned to maximize at-bats and balls in play if the Pirates continue to rely on him for the first swing of the day. also captured Horwitz’s leadoff impact on May 24, when he homered on the first pitch of the game against Dylan Cease.

Still, fantasy managers are managing more than one variable. Pittsburgh’s top-of-order has been fluid enough that Young’s “primary leadoff” framing should be treated as a working assumption, not a guaranteed role forever. reported that Konnor Griffin batted leadoff for the first time for the Pirates on May 27, an example of the club testing different ways to build the lineup. The practical takeaway for fantasy is to check the batting order before locking in daily lineups, especially in leagues that reward run production in specific batting-order slots.

Young’s Reds pickup is a familiar fantasy story with a new face: Edwin Arroyo. Young highlights Arroyo as a low-rostered option (11% in Yahoo’s own context) whose profile blends contact and power potential, and he ties the timing directly to playing-time access after a key injury. reported that Elly De La Cruz was placed on the 10-day injured list with a right hamstring strain and that Arroyo was recalled from Triple-A Louisville for his major league debut, which set up the opportunity for Arroyo to see more consistent at-bats. In Young’s projection logic, Arroyo’s speed and willingness to chase in the right situations may be the clearer path to fantasy production than pure slugging upside.

Beyond individual pickups, Young’s column makes a broader recommendation for how to think about matchups. He argues that the Astros’ pitching has been “fortunate” in outcomes like strikeout-to-walk performance, while indicators tied to batted-ball results and runners scoring opportunities have been less stable, including low BABIP and higher strand-rate behavior. In that framework, Young suggests streaming opposing hitters against Houston until the underlying profile changes, emphasizing the idea that hard contact and estimators (xERA and SIERA) can diverge from surface results. He also characterizes the Reds pitching environment as difficult, pointing to issues across K-BB%, WHIP, and barrel-rate indicators, which Young links back to weaker estimators.

The remainder of Young’s Week 12 waiver list leans heavily toward hitters who are either riding a short-term hot streak or fitting a right-handed-heavy matchup environment. Among the names discussed: Jackson Holliday (Orioles) after a mid-May return, Luke Raley (Mariners) for power in a righty-heavy context, and upside deep adds like Vaughn Grissom (Angels), Dominic Canzone (Mariners), Nathaniel Lowe (Reds), and Lars Nootbaar (Cardinals). Even in the cases where Young flags concerns like contact volatility, the common thread is clear: fantasy managers are looking for either increased plate-appearance reliability, favorable pitcher handedness, or both, for the next seven days.

For fantasy baseball, the biggest caveat is always the same: weekly targets still depend on lineups and starting pitchers, and small-sample offensive indicators can swing quickly. Still, Young’s column is notable for how it connects role-based value (leadoff placement and lineup frequency) with pitcher-profile reasoning, giving waiver managers a consistent method for building weekly totals rather than chasing every result in real time.