Complex sentence: He works for MMAFighting.com (SB Nation) and Fox Sports, and he serves as an "MMA Insider" for FOX Sports 1's weekly "UFC Tonight" show and other pre- and post-event programming.
Split into simpler sentences: He works for MMAFighting.com (SB Nation) and Fox Sports. Helwani serves as an "MMA Insider" for FOX Sports 1's weekly "UFC Tonight" show and other pre- and post-event programming.