Complex sentence: She wrestled on the independent circuit against wrestlers such as Nicole Bass, Kara Slice, and Taylor Matheny as well as managing Ken Shamrock until being hired as a TNA Knockout by Total Nonstop Action Wrestling (TNA).
Split into simpler sentences: She wrestled on the independent circuit against wrestlers such as Nicole Bass, Kara Slice, and Taylor Matheny as well as managing Ken Shamrock. She was then hired as a TNA Knockout by Total Nonstop Action Wrestling (TNA).