Complex sentence: This led to not only a lengthy feud with Garvin but also to a long losing streak for Whatley, with most of Whatley's losses being disqualification losses due to outside interference when Garvin would attack Whatley's opponent.
Split into simpler sentences: This led to not only a lengthy feud with Garvin but also to a long losing streak for Whatley. Most of Whatley's losses were by disqualification due to outside interference when Garvin would attack Whatley's opponent.