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About Us

About Us represents the culmination of Mark “Dr. Roto” Bloom’s decade-long journey in the fantasy sports industry. “Doc” (as he is known to his friends) has been helping people win fantasy championships in a multitude of sports, always providing the most current information with his visionary plays.

Doc takes special pride in being available to his followers. For years, there was no expert on social media who answered more questions from fans than Doc. Doc is also considered the most caller-friendly host on SiriusXM Fantasy Sports Radio, beckoning his listeners to call in and discuss their teams. That same desire to help is one of the hallmarks of as all subscribers have access to Doc and his staff through a private Discord channel to answer subscriber questions. is the one-stop shop not only for seasonal fantasy sports but for DFS and prop betting information as well. The fantasy industry continues to grow and is committed to providing the latest information and tools needed to help subscribers find the edge to defeat their opponents.

Members of the site will not only have access to articles but also to podcasts, livestreams and the latest industry tools. Doc specifically made sure that all the tools on the site reflect the same tools he uses to find success in both high stakes and DFS contests. is committed to providing its subscribers with an unparalleled user experience that focuses on the needs of its subscribers.

Contact Us:

Roto-Rx LLC

2671 Birchwood Dr.

Howell, Mi. 48855

(646) 543-9144