Who: Trainer McLean (Mac) Robertson
Where he trains: Canterbury Park; Oaklawn Park (Ark.); Remington Park (Okla.); Arlington Park and Hawthorne (Chicago)
Canterbury records: Entering this season, Robertson held the track's career records for highest winning percentage (28) and in-the-money percentage (65). He set season records last year for earnings ($1,224,782) and in-the-money percentage (72).