Complex sentence: He played a number of times for Yorkshire in 1929, but really established himself in 1930 when, despite not being a regular choice early on, he took 100 wickets for the first time.
Split into simpler sentences: He played a number of times for Yorkshire in 1929. Bowes really established himself in 1930 when, despite not being a regular choice early on, he took 100 wickets for the first time.