Cologne - They may have three weeks of solid training behind them, but the Bundesliga stars still have plenty of work to do to be fit in time for the start of the 2015/16 season.
As ever, bundesliga.com kept you posted on all the latest developments from around the training grounds…
That's all from our live updates for today, but make sure you join us tomorrow for more. Bis dann!
Dortmund ease to victory
Thomas Tuchel's men picked up their fifth win from six pre-season fixtures so far after beating Swiss outfit FC Luzern 4-1, with captain Mats Hummels scoring a particularly eye-catching half-volley from the edge of the penalty area!
A number of Bundesliga clubs played warm-up games today, with Hertha Berlin, Leverkusen, Hannover and Hoffenheim all drawing against their respective opponents, while Bayern and Eintracht Frankfurt both recorded victories. Click here for a club-by-club overview of summer results and fixtures.
Mainz working hard
Mainz's Spanish defender Jairo Samperio is enjoying a relaxed evening poolside after what sounds like a tough day at the office...
Today, two training... now we need relax 👌!! Tomorrow, match against Monaco pic.twitter.com/c7haXUZhYL— Jairo Samperio (@JairoTheki) July 21, 2015
The Eagles picked up a morale boosting victory over English side Leeds United, coming from behind to win 2-1 while at the training camp in Windischgarten, Austria.
Ramalho's old haunt
New Bayer 04 Leverkusen defender Andre Ramalho is well received by former club Red Bull Salzburg ahead of the two side's friendly clash.
Translation: Red Bull Salzburg thank Andre Ramalho once last time and wish him luck at Bayer 04.
That's a wrap - almost!
Not long until the Hamburger SV players can put their feet up for the night...
Translation: Warm-down and then home time!
BVB roll into town
The unmistakable Dortmund team bus has arrived at FC Luzern's Swissporarena...
Dortmund all set
Thomas Tuchel names a strong side for tonight's friendly against FC Luzern (kick-off 19:45 CEST)...
BVB: Weidenfeller, Piszczek, Subotic, Ginter, Durm, Weigl, Kagawa, Castro, Kampl, Hofmann, Reus #fclbvb— Borussia Dortmund (@BVB) July 21, 2015
Auf der Bank: // On the bench: Bonmann, Stenzel, Hummels, Kirch, Schmelzer, Mkhitaryan, Leitner, Großkreutz, Aubameyang, Dudziak, Gündogan.— Borussia Dortmund (@BVB) July 21, 2015
FC Augsburg's Dong-Won Ji and Jeong-Ho Hong shouldn't have any cramp in the morning...
Eagles vs. Whites
Eintracht Frankfurt's friendly against English Championship side Leeds United AFC has just got under way in Kossen. Remember Tony Yeboah? He played for both clubs in his prime.
VfB Stuttgart have been working as hard as ever under the Swiss sun...
Translation: Intensive match drills out on the pitch, before a drinks breaks because of the heat.
Hertha in action
Hertha Berlin have kicked off against SV Grödig, with new signing Mitchell Weiser in the starting line-up.
Translation: Kick-off! The Herthaner in dark blue, playing from right to left.
Und Anstoß! Die Herthaner in dunkelblau zuerst von rechts nach links! #hahohe— Hertha BSC (@HerthaBSC) July 21, 2015
Schalke arrive in Poland
The Royal Blues have touched down in Gdansk. Andre Breitenreiter's men face KS Lechia in a friendly tomorrow.
Afternoon session in Evian
"The team is here," reads Mainz's tweet below.
Wolves in action
VfL Wolfsburg play FC Zürich in Singen tonight. "At 19.00 CEST we get underway," reads the tweet below. "The dressing rooms are ready and waiting for the Wolves."
Which Gladbach star is displaying perfect technique in the water here?
Skills in Stuttgart
"Back on the training pitch," reads the tweet below. "Keep it up!"
BVB in the bus
Die Schwarz-Gelben face FC Luzern tonight.
The football button
Already a contender for the best tweet of 2015/16, Hiroki Yamada, of Bundesliga 2 side Karlsruher SC, has just sent out this gem. "I bought a TV," he begins. "I was surprised when there was a football button [on the remote]." Don't be surprised, Hiroki, make the most of it!
Ich habe einen Fernseher gekauft. Ich war überrascht, dass es einen Knopf ”Football” gibt. リモコンに”Football”ボタン。さすが。 pic.twitter.com/arY0Q6QfvU— Hiroki Yamada (@yammaada10) July 21, 2015
Dortmund's new goalkeeper Roman Bürki has had some laudatory words for Roman Weidenfeller.
Time to put the feet up
The Werder Bremen players are done for the day following what looks to have been a gruelling set of burpees out on the training pitch.
The exercises are over and the players can now take a well deserved evening off. pic.twitter.com/ReWq2ITJuo— SV Werder Bremen EN (@werderbremen_en) July 21, 2015
Schalke are currently heading to Poland, where they will face KS Lechia Gdansk in a friendly on Wednesday.
Two from two!
Bayern's tour of China continues to be a huge success as Pep Guardiola's boys finally broke through a stubborn Inter defence to win 1-0.
Career change for Köln's Jonas Hector?
Bayern have just taken the lead in their friendly against Inter...
Thankfully, the injury Philipp Lahm picked up during the first half is nothing to worry about.
Viktor Skripnik’s side are about to begin their second training session of the day.
Goalless at the break
Neither Bayern nor Inter have managed to break the deadlock in the first half of their friendly in Shanghai.
HALF TIME: #FCBFCIM is goalless at the break. What are your thoughts on the game?— FC Bayern English (@FCBayernEN) July 21, 2015
Something for the ladies out there… maybe. No?
Underway in Shanghai
It’s still goalless between FC Bayern and Internazionale Milano at the Shanghai Stadium, but David Alaba has gone close for Pep Guardiola’s side.
A wanted man
Hertha new boy Vladimir Darida is up to face the press.
The Mainz boys are enjoying the console during their lunch hour.
"In training, every centimetre counts," Neven Subotic has tweeted.
Im Training zählt jeder Zentimeter pic.twitter.com/9Vytq6eihv— Neven Subotic (@NSubotic4) July 21, 2015
Many happy returns!
Ömer Toprak turns 26 today.
Off to Poland
Have a look at the Royal-Blues' pre-season schedule here.
Hard at work in Hamburg
"Training is over after two hours," reads HSV's tweet below. "Nicolai Müller and Ivo Ilicevic were back in first-team training."
More friendly action
Eintracht Frankfurt take on English side Leeds United FC this evening.
The dreaded ice bath!
Mitchell Weiser takes a dip. Hertha face SV Grödig at 18.00 CEST tonight.
Take a peek
Watch the Schalke 04 players being put through their paces live on Periscope!
Bathed in sunshine
No such problems for Mainz this morning: the sun is shining bright at their training camp in Evian, France.
It’s been bucketing down at Hoffenheim’s training camp in Lilleström, Norway, but a bit of rain never hurt anyone, eh?
Yet another Bundesliga outfit working on their fitness in Austria, VfB Stuttgart have been working up a sweat ahead of their early training session.
Werder have only recently returned from Zell am See, but the Green-Whites’ preparations are continuing ahead of their friendly against Blumenthaler SV on Wednesday.
Leverkusen’s first session of the day is taking place on a smaller pitch. Die Werkself are currently preparing for the new campaign in Zell am See.
Preparing for Wednesday
The Royal Blues are the third Bundesliga club to take on KS Lechia Gdansk this summer. Wolfsburg and Hannover were both held to a draw by the Polish outfit.
Up bright and early
Translation: Good morning Berlin! At 10 o’clock it’s back to the training ground!
Borussia Dortmund, meanwhile, take on Switzerland FC Luzern later today. Thomas Tuchel’s side are looking to bounce back from last week’s defeat to VfL Bochum.
There are half a dozen friendlies to look forward to on Tuesday, with FC Bayern München, Bayer 04 Leverkusen and Borussia Dortmund all in action. Frankfurt also take on Leeds United in Eugendorf at 18:15 CEST.
Time to refuel
Translation: A healthy breakfast follows the morning gym session. Afterwards, it’s off to the training pitch!
Rise and shine
It’s all about Activation for VfB Stuttgart in Austria this morning…