Complex sentence: Sweet-Escott had begun playing for Glamorgan during the 1902 Minor Counties Championship season, in which he played regularly between 1904 and 1910 before taking a three-year sabbatical from the game, during which time he took up hockey, securing two Welsh caps.
Split into simpler sentences: Sweet-Escott had begun playing for Glamorgan during the 1902 Minor Counties Championship season, in which he played regularly between 1904 and 1910. He then took a three-year sabbatical from the game, during which time he took up hockey, securing two Welsh caps.