Complex sentence: No one in particular has the "biggest coaching influences" on him, however, he admires coaches who do not have a playing background, like José Mourinho, André Villas-Boas, and Rafael Benítez.
Split into simpler sentences: No one in particular has the "biggest coaching influences" on him. However, he admires coaches who do not have a playing background, like José Mourinho, André Villas-Boas, and Rafael Benítez.