Jockey Junior Alvarado, regular rider for 2025 Horse of the Year Sovereignty, is expected to return to action Thursday at Gulfstream Park after being shaken up late on Saturday's GIII Holy Bull Stakes program. The 39-year-old, replaced on his three scheduled mounts Sunday, took off his final two mounts Saturday, both in stakes, after being thrown to the turf by Multiverse (Practical Joke), who clipped heels on the first turn in an optional claiming allowance for 4-year-olds and up. Multiverse was not injured. Agent Mike Sellitto said Sunday that Alvarado,...