Canchari intends to drops his tack at Hawthorne Race Course in suburban Chicago.
Stevens concluded the meet with 34 wins and will return to Phoenix for the meet that begins on Oct.
Does the agreement have him second-guessing a bit? Heliskier was named sprinter of the meet as well as the champion Older Horse.
Mac Robertson had an 18-win lead over Bernell Rhone and Mike Biehler heading into the final card, his ninth consecutive training title safely in the bag.
The riding title for the meet came down to race four, in which Sleep Walking, ridden by Butler, held off Dakota Dusty and Alex Canchari.
Badge of Glory, owned by Richard Bremer and Cheryl Sprick and trained by Rhone was selected champion Three-year-Old Filly, and Dontrattlemycage, owned by Nicholas Raver and trained by Nevada Litfin, was voted Grass Horse of the meet.