Fantasy Baseball Waiver Wire: Week of August 10
Here are five players to consider grabbing off waivers as the dog days of summer drag on.
The post-trade deadline fantasy world can be dangerous. A number of prospects are promoted, leading to a ton of movement on the waiver wire, some of which is risky. A shiny new toy can help push you to the playoffs, but that same new player can also sink trying to adjust to major league pitching.
Today we have a couple of recently promoted options and some under-the-radar picks that have their fantasy values boosted due to better opportunities. Heck, we even have a player who most have forgotten is starting to re-emerge. Without further ado, let’s dive in.
Stats as of first pitch on August 9th. Ownership percentages via ESPN.
Ian Seymour – SP – Tampa Bay Rays (39.2%)
2026 Stats: 84.1 IP, 4.27 ERA, 3.88 FIP, 10.57 K/9, 2.99 BB/9
As you already know, I like to roster Tampa Bay pitching. Their track record is one of the best in baseball, and you know whoever they put on the mound will be worthy. Seymour has been used back and forth from the rotation to the bullpen to behind an opener. I like this because it is a cheat code for leagues with starting pitcher limits where you still get value without using a start.
He’s been starting more recently, and his value still holds. Of his last nine outings, all but one has been of three runs or less. He’s starting to get into the sixth, he’s hardly walking anyone, and the strikeout stuff is still there. I’m not sure how much pitching will be available down the stretch, so don’t miss out.
Brandyn Garcia – RP – Arizona Diamondbacks (4.7%)
2026 Stats: 33 IP, 3 SV, 2.18 ERA, 2.21 FIP, 9.82 K/9, 1.91 BB/9
Garcia has been sneaky great out of Arizona’s bullpen this season and was recently given a chance to capture the closer’s role. His last two outings were not his best, I get that, but I think Arizona is a good enough team to roster what looks like their best option for the ninth inning.
I’ll go ahead and say my confidence is not extremely high. He’s worth adding and seeing how the next week or two pans out. He should get opportunities to close, but if he has a short leash, be ready to move on. At this point in the season, pick up anyone that’s getting ninth inning opportunities, and Garcia feels like the best option for many leagues.
Kaelen Culpepper – SS – Minnesota Twins (5.4%)
2026 Stats: (2 g) .200/.500/.800, 1 HR, 247 wRC+
You missed out on George Lombard Jr.? Yeah, so did I. If you are still looking for a shortstop option, Culpepper might be a great fit for you. A blend of power and speed with above-average bat-to-ball skills is the kind of makeup you usually want in a fantasy player, and Culpepper has it.
He’s still young and raw, but the tools are worth rolling the dice on. Minnesota has been a surprisingly fun watch this season, and Culpepper should be their shortstop now and into the future. In my opinion, the waiver wire is pretty dry at the position, so why not take an upside swing?
Andrew Monasterio – SS/2B/DH/3B – Boston Red Sox (8%)
2026 Stats: .273/.333/.459, 6 HR, 3 SB, 117 wRC+
If you don’t want a young shortstop, how about an older guy who’s bounced around and has been a great find by the Red Sox? Boston didn’t land a big-name shortstop like some had predicted ahead of the deadline, and that’s good news for Monasterio. He’s solidified the position and should be the everyday starter for the hottest team in baseball.
If you don’t have the shortstop position open, Monasterio can help in other ways. He’s eligible at second and DH and has nine games at third, which fits some formats, and is one game away in others. Versatility can help you manage injuries down the stretch, and although I’m not a true believer in Monasterio as a long-term piece, I’m going to ride the wave until it dies.
Max Clark – OF – Detroit Tigers (32.4%)
2026 Stats: .333/.421/.545, 1 HR, 173 wRC+
I’m sure Clark is not owned in more leagues due to his 34% strikeout rate, but I’m certain that will clear up as time goes on. His at-bats have been truly advanced for his age and experience, and I’d be happy to take a chance on a toolsy outfielder with great plate discipline.
What has really impressed me with Clark has been his power. Not just the one home run, but the two balls he has driven off the wall leading to a double and a triple. I think we are going to see a strong finish down the stretch. Not to mention, Detroit has been putting up a ton of runs recently, which only gives Clark more run production opportunities.
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