Complex sentence: It was announced in May 2013 that he would star in a new comedy police show, "Brooklyn 99" which was picked up by FOX and is set to premiere in September 2013.
Split into simpler sentences: It was announced in early 2013 that he would be starring in a new comedy police show on FOX. The show, later named Brooklyn 99 was picked up by FOX and is set to premiere in September 2013.