Rival Clue #1 - Born the same year, one rival was a homebred, while the other was bred by a Hall of Fame trainer.
Rival Clue #2 - Each rival was a stakes winner at two, although one broke her maiden in her ninth start.
Rival Clue #3 - The other was a Champion Juvenile Filly, finishing first or second in five straight stakes races.
Rival Clue #4 - Their only meeting at two came in a Belmont Park maiden race, where they ran 1-2.
Rival Clue #5 – At three, their first meeting came in a Grade 1 race west of the Mississippi, with the same winner.
Rival Clue #6 - The Kentucky Oaks was next, where for the second straight time they finished first and third.
Do you know who they are yet?
Rival Clue #7 - After that it was back to the East Coast, where they combined for a sweep of the Triple Tiara.
Rival Clue #8 – The filly who won the first three meetings was the first to win an Eclipse Award.
Rival Clue #9 – One of the rivals once rattled off three straight stakes wins by a total of more than 30 lengths.
Rival Clue #10 – All six of their meetings concluded with one of the two going to the winner's circle, although one was via a DQ.
Rival Clue #11 – Their final meeting took place in a Belmont Park allowance race.
Rival Clue #12 – The filly who won the last three meetings was the second to win an Eclipse Award.