It's a shame they play in the same position but Tierney can adapt.
Manchester United captain Michael Carrick believes Scott McTominay has the correct mentality to become a star of the future because the young midfielder, who received his first worldwide call-up from Scotland this week, isn't distracted by "the glitz and the glamour".
Gemmill named his squad for this month's European Under 21 Championship qualifier with Andorra on Tuesday.
He said: "He's shown it, he's selected some of them in his first squad since coming back in the building, he's made it clear he's putting a real interest in not just the Under 21s but the 19s and 17s".
"Scott McKenna came in against Holland in our first game and I think I'm right in saying his club manager took note of his level of performance and brought him into his team".
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Randy Griffith is a multimedia reporter for The Tribune-Democrat. "If you live in Moxham, we're interested in hearing from you". They were both in the highest category of the rankings starting at the top 22 healthiest ranks in the state in both years.
"There's a big thing to play for this club but so far he's on a great track, he's given himself the best possible chance to fulfil that".
Gemmill has also lost assistant manager Peter Grant to the senior set-up and the former Norwich City manager has been replaced with former Scotland assistant Peter Houston.
As Scot Gemmill knows to his cost, the pathway that allows promising young players to progress all the way through Scotland's age groups and into the full national squad does not necessarily apply to coaches.
"It is great for that link and the knowledge within the senior staff of what is available to them".
He made his return in the 3-2 victory over Rangers, but only played the last five minutes of the game, and with the Hoops only having one more match before the Scotland games take place, Armstrong won't get much game time ahead of the friendlies.