Not necessarily related, but over the past four seasons Seattle's Julio Rodriguez and Cal Raleigh have combined for 44.2 fWAR, an average of 5.5 fWAR per season per player:
https://www.fangraphs.com/leaders/major-league?pos=all&stats=bat&lg=all&qual=y&type=8&month=0&ind=0&team=11&startdate=&enddate=&season1=2022&season=2025
The Mariners have signed long-term extensions with Rodriguez, who turns 25 this month, and Raleigh, who turned 29 last month.
One might contend that the Seattle Mariners are top-heavy in position players.