Complex sentence: The match was announced on the April 23 episode of TNA's primary television program, "TNA Impact!", by TNA co-founder Jeff Jarrett with the theme of the match being that each participant must risk something valuable.
Split into simpler sentences: The match was announced on the April 23 episode of TNA's primary television program, "TNA Impact!", by TNA co-founder Jeff Jarrett. The theme of the match would be that each participant must risk something valuable.