That's a fun one actually.
https://twitter.com/nicolas88batum/status/894257660874379264Current players only.
I'll have a go.
1. Dennis Schröder (Germany)
2. Leonard (US)
3. Giannis (Greece)
4. Al Horford (Dominican Republic)
5. Jokic (Serbia)
Subs
1. Emmanuel Mudiay (Democratic Republic of the Congo)
2. Andrew Wiggins (Canada)
3. Gallinari (Italy)
4. Pau Gasol (Spain)
5. Embiid (Cameroon)
Actually, there are plenty of bigs - I had to leave out Gobert, Marc Gasol, KAT, Nowitzki, Gortat. With guards it was easier.
Edit: oh wait, I can have an American too. Or at least Batum's phrasing allows for that.
Edit2: OK, I ve modified it a gazillion times, but I'm happy with it now.