Reletter
Artwork for Four-Seam Fantasy

Four-Seam Fantasy

Martin Sekulski
Tens of paid subscribers

Four-Seam Fantasy is my guide to all things fantasy baseball! I talk Redraft, Prospects, Dynasty, and more! Graphic by the great Aaron Asbury (@aaron_gifs) on X!

Platform
Substack
PricingFreemiumPublishesDaily
Issues517Founded4 years agoLast Issue10 days ago
Active

Read this Newsletter

msekulskifantasy.substack.com
Artwork for Four-Seam Fantasy

Latest Issues

Top Sell-High Dynasty Assets

As the great Kenny Rogers once said, “You have to know when to hold ‘em, know when to fold ‘em” and he was clearly talking about fantasy baseball!

As the great Kenny Rogers once said, “You have to know when to hold ‘em, know when to fold ‘...

10 days ago
2
Paid

Early AFL Standouts

With a full week of action in the books, the 2026 Arizona Fall League is off to a strong start in the greater Phoenix area. As expected, offense has been the early story, with all six teams averaging at least four runs per game and all but...

11 days ago
3

Top 25 MLB Dynasty Risers and Fallers in 2026

Along with my recent prospect piece on the same topic, I also felt it necessary to dive into the biggest dynasty changes among MLB players this past season.

Along with my recent prospect piece on the same topic, I also felt it necessary to...

15 days ago
3
Paid

Identifying Potential 2027 Breakout Hitters

At PitcherList, Kyle Bland has created Process+, a hitter-focused tool that outlines the offensive value generated by Power, Decisions, and Contact skills.

At PitcherList, Kyle Bland has created Process+, a hitter-focused tool that outline...

16 days ago
4
Paid

25 Prospects Whose Dynasty Value Changed Most in 2026

2026 was a busy year in the prospect world, with over 250 MLB debuts, countless pop-up prospects, plenty of in-season promotions, major overhauls within the Top 10 prospects, and the emergence of a new Top 100 when the dust settled.

2026 w...

17 days ago
3
Paid

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for Four-Seam Fantasy.

SubscribersEngagement73Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

Authors

The writers behind this newsletter.

  • Martin Sekulski

    Husband, father, busted ball player. Writer of dynasty content for PitcherList, contributor to Bubba and the Bloom Draft Kit, co-host of Destination Dynasty pod, and Dynasty junkie. Chipotle makes my belly full and I don't play nearly enough golf.

  • Social

    Frequently Asked Questions

    How can I access the email archive for Four-Seam Fantasy?

    You can find recent issues that have been published by Four-Seam Fantasy on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does Four-Seam Fantasy have?

    To see how many people subscribe to Four-Seam Fantasy, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in Four-Seam Fantasy?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Four-Seam Fantasy as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like Four-Seam Fantasy?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact Four-Seam Fantasy using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to Four-Seam Fantasy?

    Scroll up to where it says Related Newsletters to see other publications like Four-Seam Fantasy. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Four-Seam Fantasy?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.