Roy Williams Calls On Transfer Caleb Mills Posted Jan 7, 2021 Caleb Mills Recruiting Profile" rel="tag">Caleb Mills and North Carolina will get a second chance. The 2020-21 AAC Preseason Player of the Year and standout at Houston entered the NCAA's transfer portal on Tuesday night. Less than 48 hours later, Roy Williams reached out to express interest, Mills confirmed to Inside Carolina. "He (Roy Williams) called my dad today," Mills said Thursday. (Inside Carolina)