By Justin Barrasso Along with the new deal comes a new role—the opportunity to work heel. SI.com’s Week in Wrestling is published every week and provides beneath-the-surface coverage of the business of pro wrestling. After signing a new extension with NJPW, Juice Robinson is ready to wreak havoc in Bullet ClubHiroshi Tanahashi regained the IWGP United States championship for a record third time earlier this month at New Japan Pro-Wrestling’s Wrestling Dontaku. Tanahashi defeated Tomohiro Ishii to regain the belt, which was vacated after Sanada’s reign came to a sudden end when he broke an orbi…