Bayern Munich players arrive training ahead of Sunday's clash with Union Berlin

Bayern Munich stars arrived at training on Wednesday. 

The Bavarian stars were pictured donning protective face masks. 

The Bundesliga as is set to action this weekend.

Bayern who top the league will resume their campaign with a trip to 11th-placed side Union Berlin on Sunday, while second place Borussia Dortmund play on Saturday in a clash against Schalke.

Bayern CEO Karl-Heinz Rummenigge told SportBild: "The Bundesliga manages to become the first big league worldwide to restart.

"And with the Bundesliga as the only league to be broadcast on TV, I expect we will have an audience of a billion."

A maximum of 300 people will be allowed into the host stadiums per fixture, with strict guidelines in place for all those involved.