新秀榜本来就是排爽的，各家的rookie eligibility也不全然相同
mlb pipeline:
https://www.mlb.com/news/top-100-prospects-list-mlb-pipeline-2022
The rankings continue to follow the guidelines laid out by the Collective
Bargaining Agreement in terms of who falls under the international pool money
rules. Players who are at least 25 years old and have played in leagues
deemed to be professional (Japan, Korea, Taiwan, Cuba) are not eligible.
简单来说pipeline一直是跟着IFA签约金额度走
Foreign professionals