2016-12-11 米国競馬の重賞日程・格付け http://www.bloodhorse.com/horse-racing/articles/218110/blue-grass-wood-memorial-downgraded http://www.bloodhorse.com/horse-racing/articles/218136/changing-schedules-impacted-wood-blue-grass Pennsylvania DerbyはG1に格上げとのこと。