Most NFL Draft analysts predicted Adonai Mitchell would be a late first rounder. But the former Texas Longhorn tumbled to the end of the second before the Colts selected him with the 52nd pick. Mitchell had a painfully long time to count the receivers who went ahead of him. He was supposed to go somewhere after the big three — Marvin Harrison Jr., Malik Nabers and Rome Odunze. Instead, Mitchell went outside the top 10 receivers. Remember that number. Mitchell certainly will. As the Colts started minicamp this week, Mitchell chose his number based on 10. As in, he was the 11th receiver off the …