Bob and Sue Donaldson's Spun to Run (Hard Spun--Yawkey Way, by Grand Slam), last year's clear-cut winner of the GI Big Ass Fans Breeders' Cup Dirt Mile, has been retired from racing. The Juan Carlos Guerrero trainee blossomed in the second half of his sophomore season in 2019, finishing third in the GI Haskell Invitational S. behind eventual Maximum Security (New Year's Day) in July before annexing the GIII Smarty Jones S. over a pair of next-out winners. He earned a gaudy 110 Beyer Speed Figure two starts later when...