Ryan Jack is becoming a vital cog in a robust Scotland machine. And a surprising pair of stats explain how vital he has been to both Steve Clarke's Hampden revolution and that of Steven Gerrard at Rangers across the city.
Scotland are yet to lose a competitive game when the Rangers midfielder starts, with just one draw and six wins from seven games - if you count Thursday night and last month's penalty wins as victories.
And in the three goals conceded by Rangers in the league this season, Jack was off the park for all of them. He clocked 120 minutes in Belgrade and also started the shootout victory over Israel last month, before home wins against Slovakia and the Czech Republic in the Nations League.
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