Scotland are aiming to make the knockout rounds of an international tournament for the first time as they take on Hungary in Group A
Tello made headlines both before and during the Fifa World Cup, and took charge of the fiery clash between Turkey and Georgia earlier in the tournament
Down beat 14-man Sligo after extra-time in Croke Park to reach the Tailteann Cup final for the second year in a row.
As part of a new MLS rule, referee Filip Dujic announced the VAR result over the loudspeaker, much to the initial excitement and then immediate disappointment of St. Louis fans.