Affirmative to Farrell Jones Center in Calif.

Son of Unbridled has sired multiple stakes winner Warren's Jitterbug.

Affirmative, a 14-year-old son of Unbridled, will stand in 2013 at Farrell Jones Layup Center near Hemet, Calif., for a private treaty. He formerly stood at Warren's Thoroughbreds in California.

His runners are led by multiple stakes winner Warren's Jitterbug, who has career earnings of $355,994.

Affirmative, who is out of the Alleged mare Tom's a La Mode, has sired the earners of more than $950,000.