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Fantasy baseball waiver wire rankings for Week 21 of the 2025 MLB season. These are free agent options to add off waivers, and our rankings will help you prioritize.
We're here once again to help prepare you for another week of the waiver wire and have updated our top 100 hitter and pitcher list for Week 21 of the MLB season -- August 18th - August 24th. Find out where key players such as Colby Thomas, Dylan Beavers, Nolan McLean, Dalton Varsho, Francisco Alvarez, and Andrew Painter are listed for Week 21.
We are approaching the home-stretch of the fantasy baseball season, and it's more important than ever to cut the dead weight and pickup the right players for your fantasy baseball rosters. Players are starting to heat up, prospects are getting called up, and there's plenty of guys to pickup and boost your teams. After a torrid stretch in the minors, Francisco Alvarez is heating up for those needing a bost at catcher. The Mets called up their top pitching prospect Nolan McLean who threw a gem on Saturday, is he for real and here to stay? Which closers are emerging as the trade deadline fallout continues to settle into place? We're here to help prioritize those questions and decisions.
For those searching for injury replacements or whose teams need a boost, we have you covered with our latest fantasy baseball waiver wire rankings for various league sizes to help you prioritize your waiver wire decisions. It is also essential to stay on top of the fantasy baseball player news as we guide you through injuries, prospect call-ups, recent hot streaks, and closer role changes. Good luck on waivers this week, RotoBallers!
Be sure to check all of our fantasy baseball lineup tools and resources:- Fantasy baseball trade analyzer
- BvP matchups data (Batter vs. Pitcher)
- PvB matchups data (Pitcher vs. Batter)
- Who should I start? Fantasy baseball comparisons
- Daily MLB starting lineups
- Fantasy baseball closer depth charts
- Fantasy Baseball live scoreboard
- Fantasy baseball injury reports
Who To Pick Up for Fantasy Baseball Week 21
Below is a direct and structured list of prioritized players to add from the waiver wire. This article will guide you with our weekly ranking for the relevant waiver wire pickup options, including how to prioritize them for your league (depending on the league size). The percentage rostered is from Yahoo leagues.
| Rank | Player Name | Pos. | % Ros. | Baller Move |
| 1 | Randy Rodriguez | RP | 46 | Add in All Leagues |
| 2 | Cade Smith | RP | 58 | Add in All Leagues |
| 3 | Bryan Abreu | RP | 50 | Add in All Leagues |
| 4 | Roman Anthony | OF | 60 | Add in 10+ Team Leagues |
| 5 | Andrew Vaughn | 1B | 53 | Add in 10+ Team Leagues |
| 6 | Daniel Palencia | RP | 60 | Add in 10+ Team Leagues |
| 7 | Shane Bieber | SP | 54 | Add in 10+ Team Leagues |
| 8 | Colson Montgomery | 3B,SS | 39 | Add in 10+ Team Leagues |
| 9 | Luke Keaschall | 1B,2B,OF | 51 | Add in 10+ Team Leagues |
| 10 | Jakob Marsee | OF | 47 | Add in 12+ Team Leagues |
| 11 | Chandler Simpson | OF | 32 | Add in 12+ Team Leagues |
| 12 | Sal Frelick | OF | 37 | Add in 12+ Team Leagues |
| 13 | Giancarlo Stanton | OF | 50 | Add in 12+ Team Leagues |
| 14 | Carlos Correa | 3B,SS | 58 | Add in 12+ Team Leagues |
| 15 | Dennis Santana | RP | 32 | Add in 12+ Team Leagues |
| 16 | Ryne Nelson | SP,RP | 53 | Add in 12+ Team Leagues |
| 17 | Jurickson Profar | OF | 51 | Add in 12+ Team Leagues |
| 18 | Jacob Lopez | SP | 53 | Add in 12+ Team Leagues |
| 19 | Matt Shaw | 2B,3B,SS | 47 | Add in 12+ Team Leagues |
| 20 | Isaac Collins | OF | 40 | Add in 12+ Team Leagues |
| 21 | Cade Horton | SP | 52 | Add in 12+ Team Leagues |
| 22 | Lenyn Sosa | 1B,2B,3B | 31 | Add in 12+ Team Leagues |
| 23 | Luis Gil | SP | 53 | Add in 12+ Team Leagues |
| 24 | Hurston Waldrep | SP | 36 | Add in 12+ Team Leagues |
| 25 | Noelvi Marte | 3B,OF | 26 | Add in 12+ Team Leagues |
| 26 | Nolan McLean | SP | 23 | Add in 12+ Team Leagues |
| 27 | Ramon Laureano | OF | 49 | Add in 12+ Team Leagues |
| 28 | Will Vest | RP | 54 | Add in 12+ Team Leagues |
| 29 | Colby Thomas | OF | 2 | Add in 12+ Team Leagues |
| 30 | Dylan Beavers | OF | 5 | Add in 12+ Team Leagues |
| 31 | Joey Ortiz | 3B,SS | 15 | Add in 12+ Team Leagues |
| 32 | Ryan Mountcastle | 1B | 25 | Add in 12+ Team Leagues |
| 33 | Alec Burleson | 1B,OF | 46 | Add in 12+ Team Leagues |
| 34 | Ernie Clement | 1B,2B,3B,SS | 49 | Add in 12+ Team Leagues |
| 35 | Jose A. Ferrer | RP | 8 | Add in 12+ Team Leagues |
| 36 | JoJo Romero | RP | 29 | Add in 12+ Team Leagues |
| 37 | Drake Baldwin | C | 28 | Add in 12+ Team Leagues |
| 38 | Trent Grisham | OF | 19 | Add in 12+ Team Leagues |
| 39 | Zebby Matthews | SP | 26 | Add in 12+ Team Leagues |
| 40 | Daulton Varsho | OF | 14 | Add in 12+ Team Leagues |
| 41 | Phil Maton | RP | 18 | Add in 12+ Team Leagues |
| 42 | Keegan Akin | SP,RP | 10 | Add in 12+ Team Leagues |
| 43 | Kyle Manzardo | 1B | 19 | Add in 12+ Team Leagues |
| 44 | Emmet Sheehan | SP | 21 | Add in 12+ Team Leagues |
| 45 | Kyle Bradish | SP | 15 | Add in 12+ Team Leagues |
| 46 | Evan Carter | OF | 8 | Add in 12+ Team Leagues |
| 47 | Ronny Henriquez | RP | 27 | Add in 12+ Team Leagues |
| 48 | Miguel Andujar | 3B,OF | 26 | Add in 12+ Team Leagues |
| 49 | Tyler Freeman | 2B,SS,OF | 9 | Add in 12+ Team Leagues |
| 50 | Justin Topa | RP | 5 | Add in 12+ Team Leagues |
| 51 | Troy Melton | SP | 4 | Add in 12+ Team Leagues |
| 52 | Dustin May | SP | 27 | Add in 12+ Team Leagues |
| 53 | Patrick Corbin | SP | 17 | Add in 12+ Team Leagues |
| 54 | Mickey Moniak | OF | 14 | Add in 12+ Team Leagues |
| 55 | Francisco Alvarez | C | 17 | Add in 12+ Team Leagues |
| 56 | Jack Perkins | SP,RP | 9 | Add in 12+ Team Leagues |
| 57 | Grant Taylor | SP,RP | 6 | Add in 15+ Team Leagues |
| 58 | Calvin Faucher | RP | 26 | Add in 15+ Team Leagues |
| 59 | Blaze Alexander | 2B,3B,SS | 30 | Add in 15+ Team Leagues |
| 60 | Cristian Javier | SP | 29 | Add in 15+ Team Leagues |
| 61 | Victor Vodnik | RP | 5 | Add in 15+ Team Leagues |
| 62 | Luis Garcia (SP) | SP | 6 | Add in 15+ Team Leagues |
| 63 | Yoendrys Gomez | RP | 0 | Add in 15+ Team Leagues |
| 64 | Warming Bernabel | 1B,3B | 18 | Add in 15+ Team Leagues |
| 65 | Jason Alexander | SP,RP | 24 | Add in 15+ Team Leagues |
| 66 | Javier Baez | 3B,SS,OF | 22 | Add in 15+ Team Leagues |
| 67 | Samuel Basallo | C,1B | 9 | Add in 15+ Team Leagues |
| 68 | Kristian Campbell | 2B,OF | 17 | Add in 15+ Team Leagues |
| 69 | Jameson Taillon | SP | 31 | Add in 12+ Team Leagues |
| 70 | Owen Caissie | OF | 9 | Add in 15+ Team Leagues |
| 71 | Dillon Dingler | C | 9 | Add in 15+ Team Leagues |
| 72 | Edwin Uceta | RP | 8 | Add in 15+ Team Leagues |
| 73 | Brett Harris | 3B | 0 | Add in 15+ Team Leagues |
| 74 | Joe Boyle | SP | 11 | Add in 15+ Team Leagues |
| 75 | Jordan Lawlar | SS | 8 | Add in 15+ Team Leagues |
| 76 | Orion Kerkering | RP | 15 | Add in 15+ Team Leagues |
| 77 | Cade Cavalli | SP | 9 | Add in 15+ Team Leagues |
| 78 | Andrew Painter | SP | 16 | Add in 15+ Team Leagues |
| 79 | Coby Mayo | 1B,3B | 5 | Add in 15+ Team Leagues |
| 80 | Bubba Chandler | SP | 23 | Add in 15+ Team Leagues |
| 81 | Luis Rengifo | 2B,3B | 17 | Add in 15+ Team Leagues |
| 82 | Josh Bell | 1B | 6 | Add in 15+ Team Leagues |
| 83 | Brett Baty | 2B,3B | 3 | Add in 15+ Team Leagues |
| 84 | JJ Wetherholt | SS | 5 | Add in 15+ Team Leagues |
| 85 | Victor Robles | OF | 12 | Add in 15+ Team Leagues |
| 86 | Riley O'Brien | RP | 3 | Add in 15+ Team Leagues |
| 87 | Paul DeJong | 3B,SS | 3 | Add in 15+ Team Leagues |
| 88 | C.J. Kayfus | 1B,OF | 3 | Add in 15+ Team Leagues |
| 89 | Tyler Locklear | 1B | 4 | Add in 15+ Team Leagues |
| 90 | Curtis Mead | 1B,2B,3B | 1 | Add in 15+ Team Leagues |
| 91 | Andrew Saalfrank | RP | 0 | Add in 15+ Team Leagues |
| 92 | Blake Perkins | OF | 4 | Add in 15+ Team Leagues |
| 93 | Jonah Tong | SP | 3 | Add in 15+ Team Leagues |
| 94 | Cole Henry | SP,RP | 1 | Add in 15+ Team Leagues |
| 95 | Nathan Lukes | OF | 4 | Add in 15+ Team Leagues |
| 96 | Brandon Sproat | SP | 3 | Add in 15+ Team Leagues |
| 97 | Graham Pauley | 3B | 1 | Add in 15+ Team Leagues |
| 98 | Kyle Karros | 3B | 1 | Add in 15+ Team Leagues |
| 99 | Bob Seymour | 1B | 0 | Add in 15+ Team Leagues |
| 100 | Shawn Armstrong | SP,RP | 4 | Add in 15+ Team Leagues |
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