Mettle?s winning progeny include Runaway Elainey, a filly by Runaway Groom, and Mastermind, a gelding by Quiet American.
Mettle has a 2007 colt by Sky Mesa.
Mettle is the dam of a 2-yr-old colt by Quiet American named Mastermind who has yet to start and a yearling filly by Thunder Gulch.
