Complex sentence: However Richard again reached lofty scoring totals by leading the league with 45 goals (in a 60-game season) in 1946--47, for which he won the Hart Trophy as the league's most valuable player.
Split into simpler sentences: However Richard again reached lofty scoring totals by leading the league with 45 goals (in a 60-game season) in 1946--47. Richard won the Hart Trophy as the league's most valuable player.