While trainer Josie Carroll will be at Del Mar on Saturday with Breeders’ Cup hopeful Ami’s Mesa, a pair of her stablemates will be looking to hold down the fort back home at Woodbine in the $125,000 Maple Leaf Stakes …

Involuntary and jockey Gary Boulanger prevailed in a photo finish over Happyness to win the $100,000 Flaming Page Stakes for fillies and mares three years old and up on Friday at Woodbine Racetrack.

Involuntary and Happyness (Alan Garcia) tracked leader …