Top-10 Dynasty Baseball Third Basemen for 2025: Austin Riley, Junior Caminero, Coby Mayo, Matt Shaw, Royce Lewis and More

Let’s continue ranking the top dynasty baseball players going into 2025 with the third base position.

We’ve already covered first basemen, second basemen, shortstops, catchers, starting pitchers and outfielders. Check out my fantasy draft busts and steals at the third base position.

Here are the links to the top-10 redraft rankings for 2025: third basemen, first basemen, closers, designated hitters, second basemen, shortstops, outfielders, catchers and starting pitchers.

Check out Fantasy Baseball Average Draft Position data for 2025 and get ready for your fantasy drafts by utilizing the FantasySP Fantasy Baseball Mock Draft Simulator. Also be sure to check out the 2025 Fantasy Baseball Draft Kit.

1. Jose Ramirez

The start of my dynasty top-10 list looks a lot like my redraft rankings for 2025. Ramirez, along with several other veterans are just head and shoulders above any younger players right now, so I can’t rank them below them, even if they are several years older.

Ramirez is about as dependable a fantasy player as you can have. Across 12 MLB seasons, he’s played in 152 or more games in seven of them. He’s played at least 152 games in seven of the past nine years, and the COVID season is one of the two times he failed to reach that mark.

He had a .279 average and .335 OBP, along with 39 home runs, 118 RBIs, 41 stolen bases and 114 runs scored last season. He’s still just 32 years old, so he’s got a couple more big seasons in him before a fall off comes, I think.

I’d only roster Ramirez if I was contending though. If I was rebuilding, I’d trade Ramirez now while his value is still really high.

2. Rafael Devers

Devers is only 28 years old, but also has a few durability concerns that place him below Ramirez.

In 138 games last season, Devers had a .272 average and .354 OBP. He also had 28 home runs, 83 RBIs, three stolen bases and 87 runs scored. His average and OBP are right on par with his career marks, and he likely would have topped 30 homers and been close to 100 RBIs if he played in closer to 162 games.

If he played as much as Ramirez every season, I’d have Devers as the No. 1 option, but I just can’t do that yet, even despite the age difference. Devers is a good dynasty third baseman to build around, but again, I’d really want to be competing now or within the next season if I was rostering him.

3. Austin Riley

Riley looked like the clear cut top dynasty third baseman heading into last season, but a down year and missing 52 games really changed his long-term outlook for a lot of people.

In 110 games, he had a .256 average and .322 OBP. Riley hit 19 homers, drove in 56 runs and scored 63 runs. He owns a career .272 average and .338 OBP, and had hit 30+ homers and drove in 90+ runs in the three seasons before last year.

I expect Riley to bounce back this season, and if he does, he could be atop the dynasty 3B list after the season wraps up. He’s just 27 years old and might not have reached his full potential yet.

4. Junior Caminero

Caminero has just 50 MLB games under his belt across two seasons. Injuries derailed things for him last year, but he’s still just 21 years old.

So far, Caminero had a .246 average and .296 OBP, with seven homers and 25 RBIs. He also has stolen two bases and scored 19 runs. Those numbers over a 162-game season are pretty solid, but I think the once top-end prospect is capable of much bigger things.

Durability is a concern, but if he can put together a full season and flash some of his potential, he could also rise to the top of this list by the time the season ends. 

5. Manny Machado

Machado is 32 years old, but continues to put up big numbers, so I can’t place him any lower.

In 152 games last season, Machado had a .275 average and .325 OBP. He added 29 home runs, 105 RBIs, 11 stolen bases and 77 runs scored. Some of those numbers are right up there with his career bests, and I think Machado could continue posting those kinds of numbers for at least a season or two more.

He’s another dynasty player to roster only by contending teams, otherwise I would sell him while his value is still pretty high. Don’t wait for a down season to move on.

6. Mark Vientos

Vientos is likely moving to first base this season, but having not played there much yet, I listed him as a third baseman in all my preseason articles.

In 111 games last season, Vientos hit .266 and got on base at a .322 clip. He hit 27 home runs and drove in 71 runs, while scoring 58 times.

There’s some durability concerns with him, along with just being a one-year wonder so far. The 25-year-old looks to be a power threat in the middle of the Mets’ lineup for the next several years though, and his potential is sky high, so I might be underselling him here.

7. Coby Mayo

Mayo got his first taste of MLB action last season, but it didn’t go all that well.

In 17 games, Mayo hit .098 and got on base at a .196 clip. He had four hits across 46 plate appearances. He was a top-end prospect last season, and remains one for 2025 though. Mayo has a career .283 average and .381 OBP in the minor leagues, with 82 homers, 282 RBIs, 204 walks, 404 strikeouts, 25 stolen bases and 267 runs scored across 390 games and 1,432 at-bats.

I trust in his minor league numbers and think he gets going this season. I’m not writing him off until at least the end of this season. He could be a top-end dynasty 3B if he excels.

8. Matt Shaw

Shaw is another top-end prospect going into 2025, but he hasn’t made his MLB debut yet. I think he starts the season in the big leagues after getting in 35 games at Triple-A last year.

In two minor league seasons, Shaw has a .303 average and .384 OBP, along with 29 homers, 99 RBIs, 71 walks, 120 strikeouts, 46 stolen bases and 105 runs scored in 159 games and 600 at-bats.

That kind of well-rounded fantasy production is music to a dynasty owner’s ears. I think he’s going to be a fantasy star for years to come, beginning in 2025. Get the 23-year-old team before he explodes.

9. Alex Bregman

Bregman is still looking for a team this offseason, but I think his talent will translate to any team. 

The 30-year-old played in 145 games last season, hitting .260 and getting on base at a .315 clip. That was a down season, as he has a career .272 average and .366 OBP. Bregman still had 26 homers, 75 RBIs, three stolen bases and 79 runs scored.

Even if he’s already peaked, Bregman is a good fantasy option for at least the next few seasons. Roster him on a contending team only though.

10. Royce Lewis

This seems like a perfect place for Lewis. He has flashed elite potential, but also can’t seem to stay on the field, so having him as a borderline top-10 dynasty option seems fair.

He’s played in 152 games over three MLB seasons. He has a .268 average, .327 OBP, 33 home runs, 104 RBIs, six stolen bases and 81 runs scored.

That in one season would be a great fantasy season, but topping out at 82 games in a season so far, there’s a ton of risk involved if you are counting on Lewis for the long run. I still would want to take a gamble on a possibly elite talent like Lewis, but I would also have a backup player or two at third base in case Lewis’ history of injuries is a career-long issue for him.

Honorable Mentions

There’s several players who I considered as I got closer to No. 10.

Some of the players to already debut to keep an eye on are: Jordan Westburg, Jace Jung, Zach Dezenzo, Josh Jung, Matt Chapman, Noelvi Marte, Alec Bohm, Nolan Arenado and Isaac Paredes.

Some prospects to keep an eye on are: Cam Smith, Cam Collier, Brady House, Mike Boeve and many, many more.