Complex sentence: Unhappy with this decision, a group of former BRK-KBRK players led by Danijem Stricevicem decided to split away and form a new club under the Royal Belgrade Rugby Club (KBRK) name in 2014.
Split into simpler sentences: Unhappy with this decision, a group of former BRK-KBRK players led by Danijem Stricevicem decided to split away. A new club was formed under the Royal Belgrade Rugby Club (KBRK) name in 2014.