I remember being caught up in the Roman theory of dual qualifiers ( dosage of 4 or less and being 116 or higher on the 2 year old experimental highweight) as the only horses that could win the Derby. His shining moment was the '90 Derby when Unbridled, Summer Squall, and Pleasant Tap were the only three duallies in the race. The tri paid about $1600 with Tap at 50/1
I think that at some point in the '80s it may have had some merit, but everytime a sire is upgraded, it lowers the overall dosage numbers. It seems today that almost all contenders fit within the guidelines when years ago not that many did.
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