Complex sentence: Stiles'big ­ break came when he started The Tony Stiles Show, which began on KOIL 1290 FM in 2012, and which some referred to as an "action show" due to Stiles' approach to certain topics.
Split into simpler sentences: Stiles'big ­ break came when he started the radio show, The Tony Stiles Show. The talk show began on KOIL 1290 FM in 2012, which some referred to as an "action show", due to Stiles' approach to certain topics.