JK: An award-winning pundit of the national team on German TV since 2005, Klopp thrives on unpicking tactical puzzles. The confirmed 4-2-3-1 advocate’s back-three dalliance was ended after a loss to Schalke in the Ruhr derby early last season. Dortmund are one of the few sides to adopt a high-pressing strategy (Gegenpressing, as it's known in Germany) and make it work. Rating: 4/5
PG: One (hyphenated) word: tiki-taka. Born and bred in Barcelona’s 4-3-3 dream factory, Guardiola – ever the innovator – dabbled with a 3-4-3 in his final Nou Camp season with mixed success. Fixated on the cause and effect of tactical variation. Rating: 4/5
JK: Signed for €350,000 and sold abroad two years later at 4,800% profit: Shinji Kagawa is the ultimate bit of Klopp business. A couple of early signings didn’t cut it, but Neven Subotic, Mats Hummels, Lukasz Piszczek, Marco Reus, Robert Lewandowski and Sven Bender are all Klopp buys. Rating: 4/5
PG: Surprisingly inconsistent. For every Dani Alves or Cesc Fabregas there have been costly mistakes like Zlatan Ibrahimovic or Dmytro Chygrynskiy (bought for €25m and sold within 12 months). Prolific at promoting from within: Busquets, Pedro, Thiago – the list goes on. Rating: 3/5
JK: Four major Dortmund honours – successive Bundesliga crowns, the DFB-Pokal and DFL-Supercup – plus two Bundesliga Manager of the Year awards. The double in 2011/12 was the club’s first, adding to a league record 28-game unbeaten streak. He couldn't quite become a legend by adding the Champions League last season but Dortmund stole plenty of hearts getting to the final at Wembley. Rating: 4/5
PG: Where do you start? Fourteen cups in four seasons – including all six competitions entered in 2009 – of tiki-taka magic to go with countless individual prizes for world’s best coach. Unprecedented. But his first assignment away from Barça will be a test. It's all started well enough, though – Bayern lead the way at the top of the Bundesliga once again, while Pep picked up his first trophy after Super Cup victory over Chelsea. Rating: 5/5
JK: “I quickly realised I would have to work harder to make it in football than some other people,” is a motto the 46-year-old impresses on all those around him. A force of nature masquerading as football’s coolest headmaster. Rating: 5/5
PG: “If you think I’m soft because I’m only 37, you’re out of luck,” declared the saturnine Spaniard at his first Barça training session in 2008. Absorbed by minutiae from holistic preparation to the science of football, sometimes to his health’s detriment. Rating: 5/5
JK: Fast-talking and affable, with rugged undertones. Underpinned by a trademark smile, Klopp is chatty and up for anything, including the occasional self-parody. The sort of manager you would love to play for, basically. Rating: 5/5
PG: Calm and collected, the occasional Jose Mourinho explosion aside. Like coaching hero Marcelo Bielsa, Guardiola doesn’t give one-on-one interviews, restricting appearances to press conferences. Will that continue in the face of Germany’s strict TV contracts? We've already seen him clad in lederhosen, followed by a camera crew for Oktoberfest... Rating: 4/5
JK: A bespectacled fitness fanatic with an unruly beard and tousled hair, Klopp nails the sportswear look. Resembles an unkempt Jon Bon Jovi, especially while rocking the aviators at Die Schwarzgelben’s title celebrations in 2011. Rating: 3/5
PG: The hair may not be as jet black as it once was, but no manager pulls off the silver suit or cardigan-skinny tie combo better. His parents do run a clothes shop, where he met wife Cristina, after all. Cuts quite the dash. Rating: 5/5
JK: Dortmund supporter Martin Huschen spent four hours having Klopp’s face tattooed across his back in April. Dortmund hadn’t even won the Bundesliga when the 41-year-old plastics engineer did the deed. That’s dedication. Rating: 5/5
PG: “Anything for Guardiola!” squealed 33-year-old lorry driver Carlos Ruiz after getting his left leg inked with a celebratory shot of his hero in March 2012. “We owe him everything. He’s taught me how to be a better person.” Rating: 5/5
JK: All-action. With his dizzying blur of swashbuckling hand signals and blood-curdling cries of “Ansgar!” (“get back!”), fans relate to Klopp’s caged-tiger magnetism. Scaled a fence to say goodbye to Mainz fans before joining Dortmund in 2008. Rating: 5/5
PG: More calculated, pensive Pep splits his time between dugout and technical area. Folds his arms, scratches designer stubble or points animatedly at a seemingly inconsequential occurrence that could solve world debt – like someone not tracking a runner. Rating: 4/5
Total: 35/40 each
Impossible to split. Already the German Klassiker, Dortmund vs Bayern promises a cerebral coaching battle of rare intrigue.
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