January 18, 2026
RotoBaller’s top 300 Underdog best ball fantasy baseball rankings and tiers for 2026 MLB best ball drafts on Underdog including hitters and pitchers (OF, IF, P).
Below you’ll find our MLB team’s 2026 Underdog Best Ball Fantasy Baseball Rankings for 2026 Best Ball leagues on the Underdog Fantasy platform. The 2026 MLB season is right around the corner, so use these Underdog rankings to crush your Underdog drafts. These MLB best ball rankings are put together by RotoBaller’s lead analyst Nick Mariano — one of the industry’s most accurate fantasy baseball rankers — and cover both hitters and pitchers and include tiers for the top 300 players.
In case you aren’t familiar with with fantasy baseball best ball leagues, they are essentially draft-only leagues with no moves made during the season. Once a best ball draft is completed, nothing else happens throughout the year — no setting weekly lineups, no trading, no waiver wire moves. Every week of the season, the best combo of fantasy players on your team is automatically calculated and used to determine the highest possible scoring outcome.
Underdog Fantasy is a fantasy sports platform where you can play all sorts of leagues and contests, and MLB Best Ball leagues are one of their popular offerings. As with any league or platform, it’s key to understand the format and scoring rules. On the Underdog Fantasy platform, MLB best ball leagues only have three possible positions – Infield (IF), Outfield (OF), and Pitcher (P). You will see these three positions in the rankings below, next to each player’s name under the “Underdog Position” column. The fantasy baseball rankings are geared towards Underdog best ball leagues and scoring rules, but can be used as a guide for all fantasy baseball best ball platforms and leagues.
Be sure to check all of our fantasy baseball draft tools and resources:
Â
2026 Underdog Best Ball Draft Rankings
Rankings are geared towards Underdog best ball formats and scoring rules. Download our free mobile app with push notification alerts and stay on top of all the MLB news and analysis.
More Fantasy Baseball Analysis
Download Our Free News & Alerts Mobile App
Like what you see? Download our updated fantasy baseball app for iPhone and Android with 24×7 player news, injury alerts, sleepers, prospects & more. All free!
