Complex sentence: The re-branded broadcasts, which debuted during the 2011 WGC-Accenture Match Play Championship, also introduced the presence of Golf Channel analysts and personalities to NBC's golf coverage, and vice-versa.
Split into simpler sentences: The re-branded broadcasts debuted during the 2011 WGC-Accenture Match Play Championship. Additionally, its premiere also introduced the presence of Golf Channel analysts and personalities to NBC's golf coverage, and vice-versa.