One of the thousands of questions we received came from Charlie T in the United Kingdom and it prompted a little pause from the Reds' no.11 as he pondered his response.
Charlie wanted to know which celebrity the 19-year-old would most like to meet and hang out with.
Mason had a quick check that he could choose any global figure and then opted for a man who dominated sprinting on the biggest stage.
“That’s a good question, Charlie,” commented Greenwood. “Any celebrity in the world? Oof! For me, it’s got to be Usain Bolt.
“I used to love my athletics when I was younger.