Complex sentence: Matters came to a head in a match against Middlesex in 1924 at Sheffield, where the crowd became very hostile and a Marylebone Cricket Club (M.C.C.) enquiry found that one of the Yorkshire players had incited the hostility.
Split into simpler sentences: Matters came to a head in a match against Middlesex in 1924 at Sheffield. The crowd became very hostile and a Marylebone Cricket Club (M.C.C.) enquiry found that a Yorkshire player had incited the hostility.