Complex sentence: Even though Pep Guardiola is known for this style, he mentioned that I loathe all that passing for the sake of it, all that tiki-taka.
Split into simpler sentences: Even though Pep Guardiola is known for Tiki-taka style of playing, he despises this style. He mentioned that I loathe all that passing for the sake of it, all that tiki-taka.