In this video (shown above, also) about 40 seconds in, the groom says several times, ‘Please don’t make no noise, please no noise, etc.’ (Still ramped up?)
Groom Jerry Dixon jr Won The 148 Kentucky Derby With The Biggest Longshot (Rich Strike) - YouTube
As to the jockey, Sonny Leon, I heard the commentators say he has/had been the leading rider at Mahoning Valley for the past 4 years. NOT a nobody among his peers:
Sonny Leon | America’s Best Racing (americasbestracing.net)
As for Keen Ice, like a LOT of good stallions, the percentage of big-time race winners is much smaller than actually the numbers bred: