The Clarets' first team returned to training on Monday.
Sean Dyche's squad returned to the Barnfield Training Centre for a day of testing and analysis.
It is a staggered start this season, with the club's internationals having an extended break due to an elongated season plating for their countries.
That means the likes of Tom Heaton, Robbie Brady, Jeff Hendrick, Kevin Long, Matej Vydra and Johann Berg Gudmundsson will all link up with the squad for their training camp in Portugal next week.