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2025 Fantasy Baseball First Base Rankings: Top 50 - Roto Leagues (January Updates)

Bryce Harper - Fantasy Baseball Rankings, MLB Injury News, DFS Lineup Picks

At RotoBaller HQ, we are back with more fantasy baseball rankings. After publishing pitchers and catchers, we shift our focus to the infield and start with our MLB team's 2025 fantasy baseball first base rankings and tiers for 5x5 mixed roto leagues. The position in 2025 has some star power with Vladimir Guerrero Jr., Bryce Harper, and Freddie Freeman, but the talent pool can quickly go downhill after the first few tiers of first basemen are off the draft board. So who are the other names to know?

Pete Alonso, who smashed 34 homers last year and 157 long balls combined in the previous four seasons, is still a free agent and in the top five of our initial first base ranks. Even in a down year, Matt Olson still crushed 29 home runs after hitting 54 in 2023. Christian Walker is now in Houston after averaging 31 homers per season from 2022-2024. Fantasy managers are waiting for Boston Red Sox slugger Triston Casas to stay healthy and finally break out in 2025. All the tools are there for Casas to take the next step, but injuries limited him to 63 games last season.

The first base rankings below are specifically designed for traditional 5x5 Roto Mixed Leagues (click here for points leagues, dynasty leagues, and prospect rankings). We also have many other tools and resources to help you win in 2025. We've worked hard to keep track of all off-season moves to get you covered for your fantasy baseball drafts with our 2025 Fantasy Baseball Draft Kit. It includes various fantasy baseball tools and exclusive articles/projections for different formats.

Be sure to check all of our fantasy baseball lineup tools and resources:

 

Fantasy Baseball First Base News and Injuries

  • Jesse Winker Could See Time At First Base
  • Pete Alonso In Deep Talks With The Blue Jays
  • Donovan Solano Expected To Primarily Play First Base
  • Mets Planning To Shift Mark Vientos To First Base
  • MLB Pipeline Names Jac Caglianone As The Top First Base Prospect Heading Into 2025
  • Blue Jays Have No Intention Of Trading Vladimir Guerrero Jr.
  • Rockies Agree To Minor-League Deal With Keston Hiura
  • Yandy Diaz Not Expected To Be Traded
  • Josh Naylor, Diamondbacks Avoid Arbitration
  • Luis Arraez, Padres Settle On $14 Million Deal

 

2025 Fantasy Baseball First Base Rankings (January Update)

Rankings are provided by Nick Mariano. They are for 5x5 category mixed roto leagues and will be updated regularly on our main fantasy baseball rankings dashboard through Opening Day. Download our free mobile app with push notification alerts and stay on top of all the MLB news and analysis.

Ranking Tier Player Position
1 1 Vladimir Guerrero Jr. 1B/3B
2 1 Freddie Freeman 1B
3 2 Bryce Harper 1B
4 2 Matt Olson 1B
5 3 Pete Alonso 1B
6 4 Yainer Diaz C/1B
7 4 Josh Naylor 1B
8 4 Christian Walker 1B
9 4 Cody Bellinger 1B/OF
10 4 Salvador Perez C/1B
11 4 Vinnie Pasquantino 1B
12 5 Triston Casas 1B
13 5 Jake Burger 1B/3B
14 5 Spencer Steer 1B/2B/OF
15 5 Paul Goldschmidt 1B
16 5 Michael Toglia 1B/OF
17 5 Isaac Paredes 1B/3B
18 5 Alec Bohm 1B/3B
19 5 Luis Arraez 1B/2B
20 5 Yandy Diaz 1B
21 6 Ryan Mountcastle 1B
22 6 Alec Burleson 1B/OF
23 6 Christian Encarnacion-Strand 1B
24 6 Brandon Lowe 1B/2B
25 6 Nolan Jones 1B/OF
26 6 Michael Busch 1B
27 6 Nathaniel Lowe 1B
28 7 Connor Wong C/1B
29 7 Nolan Schanuel 1B
30 7 Andrew Vaughn 1B
31 7 Jeimer Candelario 1B/3B
32 7 Tyler Soderstrom C/1B
33 7 Spencer Horwitz 1B/2B
34 7 Jake Cronenworth 1B/2B
35 8 Rhys Hoskins 1B
36 8 Luke Raley 1B/OF
37 8 Kyle Manzardo 1B
38 8 Hunter Goodman 1B/OF
39 8 Carlos Santana 1B
40 8 Deyvison De Los Santos 3B/1B
41 8 Josh Bell 1B
42 8 Spencer Torkelson 1B
43 8 Jonathan Aranda 1B/2B/3B
44 8 Jhonkensy Noel 1B/3B/OF
45 8 Ryan O'Hearn 1B/OF
46 8 Dylan Moore 1B/2B/3B/SS/OF
47 8 Pavin Smith 1B/OF
48 9 Jonah Bride 1B/3B
49 9 Kris Bryant 1B/OF
50 9 Seth Brown 1B/OF
51 9 LaMonte Wade Jr. 1B/OF
52 9 Gio Urshela 1B/3B
53 9 Justin Turner 1B/2B/3B
54 9 Mauricio Dubon 1B/2B/3B/OF


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