Complex sentence: In 1918, Chapman scored 472 runs at 52.44 and took 15 wickets; the following year, he captained the team, scored 637 runs at an average of 70.77 and took 40 wickets.
Split into simpler sentences: In 1918, Chapman scored 472 runs at 52.44 and took 15 wickets. Chapman continued to impress in 1919; he captained the team, scored 637 runs at an average of 70.77 and took 40 wickets.