What is the fine-grained topic of the following text: Just take “Bigg Rigg’s” recent appearance on Crowd Goes Wild, for instance, in which the soft-spoken welterweight title contender dished on everything from his controversial loss to Georges St-Pierre at UFC 167 to his upcoming title fight with Robbie Lawler at UFC 171. Only return the topic.
"Bigg Rigg's" interview about his UFC career and upcoming fights