Providence Bruins of the AHL began play at the arena in 1992. The New England Steamrollers of the Arena Football League (AFL) also called the arena home for their single season of existence in 1988. A number of other professional sporting events, including Harlem Globetrotters basketball games and regular season and preseason games for the Boston Celtics of the National Basketball Association (NBA) have been held at the arena. Circus During a live performance of the Ringling Bros. and Barnum & Bailey Circus on May 4, 2014, eight female performers were sent to the hospital after a high wire snapped while they were attempting a routine where they hang by their hair high above the floor. The performers fell from between to the ground, but none suffered life-threatening injuries. On May 1, 2016, Ringling Bros. ended 145 years of tradition when they staged their last performance with live elephants as part of its "Blue" tour at the Dunkin' Donuts Center. Eleven elephants headed to Florida for retirement after the show. A year after that, the final show for the Red Unit of Ringling Bros. was on May 7, 2017. Other events The arena has long been a regular stop on WWE tours. It was the site of WWF King of the Ring tournaments four times: from 1987 to 1991, before the event became a pay-per-view, and once after in 1997. In 1994, it hosted the Royal Rumble. On April 25, 1999, the arena was home to the first Backlash pay-per-view event, 10 years and 1 day later for the 2009 edition and scheduled to host the 2022 edition on May 8 under the event's new name WrestleMania Backlash. In December 2005 the arena hosted WWE Armageddon. In addition to major events, the arena also hosted WWE's weekly shows frequently. January 13, 2014 edition of WWE Raw was held at the arena. WWE Smackdown held two shows at the arena in 2015, on April 21 and August 25. The SmackDown portion of the 2018 WWE Superstar Shake-Up was held at the Dunkin' Donuts Center, while the Raw portion was held at the XL Center in Hartford, Connecticut. On October 22, 2018, Roman Reigns revealed his leukemia diagnosis during a Raw show held at the arena. In November 2015, the Rhode Island Comic Con expanded into the arena from the adjacent Rhode Island Convention Center, where it had been held since it