Dynasty: Franklin Arias. The FanRanked staff dynasty board has Arias ahead, Arias #46 and Hernandez #124, but the expert consensus has Hernandez ahead (#84 to #111). The community rates them even, FRV 53.0 and 54.1.
JD on Franklin Arias (Oct 21, 2026): I didn't just want to assume that I should be ranking prospects by their industry average slots, so I've been taking deep dives on every prospect that was in consideration for the top 50. I came away from that ULTRA-hyped on Franklin Arias, and I would hear arguments to have him number 1 overall. I'm not surprised the Red Sox were willing to get rid of Marcelo Mayer knowing they had this demon waiting in the wings. Arias tore up two levels of the minors this year, slashing .323/.406/.557 and hitting 25 homeruns across 520 PA. Potentially even more impressive were his swing decisions, with only a 14.2% K rate vs a 10.2% BB rate. For someone who put up this kind of power in the upper minors, its a rare skill set to have this combination of power, patience, and contact quality. I'll be honest, the swing is the one thing the concerns me. This is 100% an eye test take (so take it with a grain of salt) but the swing looks like it can get too long and loopy, and I'm not sure how it holds up at the big league level. It's one thing to rely on your raw athleticism when you are in the minors and velos and breaking balls aren't as good, but at the big league level if you have to cheat to catch up to velocity you are going to get exposed. I am really splitting hairs here, so don't let it dissuade you from treating Arias like the high quality asset that he is. Just don't be surprised when these elite K rates regress at the big league level and the average drops with it. One final note for what it is worth: Arias has the best 7 year projection of any prospect we track. A 2027 debut would be electric, and would expect him to see him after the ASB if things go right.
JD on Seth Hernandez (Jun 22, 2026): I have a rule, and you're going to see it proliferate across these rankings: THERE IS NO SUCH THING AS A PITCHING PROSPECT I don't literally mean that pitching prospects don't exist but I do mean that for dynasty fantasy baseball purposes you can never rely on a pitching prospect to replicate their success like they did at the minor league level. Guys like Konnor Griffin and Kevin McGonigle will come to the big leagues and you can usually rely on them to provide some level of performance even if they don't hit the ground running. This means that their value is going to hold up for a long time while they get their feet under them. You'll still be able to find willing trade partners who believe in their breakout even if they spin their wheels for 100+ games. I don't find this to be the case with pitching prospects. People are quick to devalue them considerably as soon as you see any hiccup or injury or step back at the big league level. Two prime examples that come to mind are Forrest Whitley and Andrew Painter. Both of those guys were can't-miss pitching prospects that got caught up with injuries and lost all of their prospect shine even before they reached the big leagues (in Painter's case). Painter has gotten absolutely shelled at the big league level this year and I wasn't able to find any trade partners for him in my home league a month ago. My point being is that you should not commit all of your prospect capital to a pitcher regardless of how good he looks. Pitching, in my opinion, is for cheap upside plays that can get helium as they put together strong minor league performances. There's really only one way to go if they are top-pitching prospects and that's down. You are better off waiting for the post-type breakout with pitchers. Maybe you don't get a Paul Skenes with this method, but you can easily get a Tarik Skubal, Cristopher Sanchez-type asset without needing to invest in them in the minor leagues. What does all this mean for Seth Hernandez? He is exciting as hell and I can't wait to see him rocket through the minor leagues and get to the big league level to be a one-two punch with Skenes. He clearly has the best stuff in the minors right now and has separated himself from the rest of the pack. I have no shares of him and that is okay. For everyone who does have shares in him, I hope you get to enjoy him for many years at the big league level. That's just not a risk I'm willing to take.
Data as of . Consensus boards refresh daily; the staff board moves when it is republished.
| Metric | Franklin Arias | Seth Hernandez |
|---|---|---|
| Team | BOS | PIT |
| Position | SS | SP |
| Age | 20 | 20 |
| Staff Dynasty Rank | #46 | #124 |
| Dynasty Consensus Rank | #111 | #84 |
| Redraft Consensus Rank | - | - |
| Prospect Consensus Rank | #4 | #7 |
| FRV (FanRanked Value) | 53.0 | 54.1 |
| Expert Sources | 30 | 30 |
| Dynasty Rank Range | #51–#393 | #53–#189 |
| 2027 Projected Value | -$16.0 | - |
| 2026 $ Earned | - | - |
| 2027 Projected Rank | #1496 | - |
| 30-Day Consensus Move | No move | No move |
Price a Franklin Arias-for-Seth Hernandez trade in the Dynasty Trade Calculator · compare their 2027 dollars in the Roto & Redraft Trade Analyzer