Injuries are also normal.
Based on homegrown WAR the past few years they are at the top of the league, I posted 2019 below you can google the rest of the years. Methodology used is included in the link below.
2nd 2019 https://bleacherreport.com/articles/2816405-ranking-all-30-mlb-teams-on-homegrown-talent-entering-2019
2nd 2020
1st 2021
3rd 2022
4th 2023
14th 2024