Upsets were prominent on Tuesday's Blue Grass Day undercard at Keeneland, the biggest being Positano Sunset's 14-1 surprise over the favorite Emery in the $623,338 Madison (G1) for fillies and mares.

On Keeneland's Sunday opener, favorites were overturned in both sophomore stakes that also witnessed key scratches.

Although Idratherbeblessed placed twice in his three stakes appearances during the Fair Grounds meet, the competition was stiffer in Saturday’s $300,000 Muniz Memorial Classic (G2).

The 43-1 longshot Magnitude shook up the Road to the Kentucky Derby with a front-running upset of Saturday’s $500,000 Risen Star (G2) at Fair Grounds.