FanGraphs has released their Top-100 prospects list - a bit of a misnomer considering they list out to 120 players - and included four Mariners players within its ranks. FanGraphs also includes their overall prospect quality metric, called Future Value (FV), which comes on the traditional 20-to-80 scouting scale. 50 is generally “league average”, with 40 equating to a bench player/middle reliever or near-replacement level and 60 equating to All-Star caliber. Things thin as they get closer to the top - players 46-120 are given 50 FV, while numbers 22-45 are 55 FV, and just 5-21 are 60 FV. There’s just one 65 FV (Angels OF Jo Adell), a pair of 70 FVs (Dodgers SS/2B Gavin Lux and Padres LHP MacKenzie Gore), and a rare sight: an actual 80 FV in Rays SS Wander Franco.
That doesn’t mean the numbering is meaningless, but it’s important if you’re trusting these grades to view them as tiers.
No. 9 - OF Julio Rodríguez - 60 FV
No. 11 - OF Jarred Kelenic - 60 FV
No. 45 - RHP Logan Gilbert - 55 FV
No. 64 - 1B Evan White - 50 FV
Additionally, FanGraphs has incorporated a variability grade, which can be seen in the article itself. While variance is baked into the grades, it is still impactful to note. FanGraphs has yet to release their full prospect list for the Mariners, but this indicates players like Justin Dunn, Justus Sheffield, George Kirby, and Noelvi Marte, who were either 50 FV players at the end of last season or have made Top-100 lists elsewhere will receive lower grades from FanGraphs to start the season.