In this third edition of the TDN's Value Sires series, we examine stallions with their first yearlings in 2020. One fact that stands out when glancing down this list is that, when these young men actually get a racetrack examination in 2021, 2022 and beyond, Galileo's already lofty status as a sire of sires has a real shot to take off into a different stratosphere. Of the top 10 first-season sires by average at last year's foal sales, five were sons of Galileo, and they are all high-class Group 1...