Complex sentence: It would precipitate a re-shaping of new core footballing ideas and displace minimally for half a generation soccer's centre of gravity; to occur was a immense collision between football's contemporary masters--the Magical Magyars and the venerable aristocrats of the game.
Split into simpler sentences: It would precipitate a re-shaping of new core footballing ideas and displace, for half a generation at least, soccer's center of gravity. To transpire was a immense collision between football's great masters--the Magical Magyars and the grand creators of the game.