Angus Gunn, Kenny McLean and Marcelino Núñez all featured for their respective senior national sides on Friday night.
Gunn started for Scotland against the Netherlands at the Johan Cruijff ArenA, but was on the losing side as Steve Clarke's side lost 4-0.
McLean was an 85th-minute substitute in the Dutch capital, as he replaced Aston Villa's John McGinn.
Scotland are back in action on Tuesday night, as they host Northern Ireland at Hampden Park.
Also in action were Chile and Núñez, as they played Albania at Stadio Ennio Tardini, home of Italian side Parma.
La Roja finished as 3-0 winners on the night, with the Norwich midfielder completing 70 minutes before being replaced by César Pérez.
Chile play France at the Stade Vélodrome on Tuesday evening.
Tony Springett was also in international action earlier today, as the Republic of Ireland Under-21s claimed a 7-0 win over their San Marino counterparts in European Under-21 Championship Qualifying.
Springett played for 66 minutes at the Olimpico di Serravalle before being substituted.
Jon Tomkinson came off the bench after 75 minutes for the United States YNT as they were 3-0 winners over Guinea.