fair. The original namesake sponsor of the arena was ARCO. On March 19, 2007, the Maloof brothers announced a multi-year agreement extending the naming rights of ARCO Arena. ARCO's sponsorship agreement ran out in February 2011. The arena was renamed Power Balance Pavilion on March 1, 2011 for its new sponsor, Power Balance, a manufacturer of sports wristbands. On October 15, 2012, the arena assumed its final name when The Sleep Train purchased the naming rights. The arena's center-hung scoreboard was designed as a joint venture between Panasonic and White Way Sign. Originally it contained four LCD video screens (one on each side) plus enough room for two players' stats on each team; as pro basketball grew in popularity, the scoreboard was upgraded in 1991 so that stats for five players on each team could be shown; the original video screens were replaced a decade later with Panasonic Astrovision LED video screens. The last Kings home game at Sleep Train Arena was on April 9, 2016, a 114–112 win against the Oklahoma City Thunder. The last points scored in the arena were two free throws by the Kings' Rudy Gay with one second left to clinch the game for the Kings. The last ticketed event at Sleep Train Arena was the Ringling Bros. and Barnum & Bailey Circus on September 19, 2016. The circus also opened the arena back in 1988. The last planned non-ticketed event was Sacramento State's winter commencement ceremonies on December 17, 2016. In November 2018, officials from the Sacramento Zoo have explored the possibility of moving the zoo to the ARCO Arena site, citing the need for more space and the constraints of their current location at William Land Park; however, the Kings, who control the arena site, have conflicting plans to replace the arena with a mixed-use development with of commercial space and 2,000 residential units. Though the arena is technically closed and seats in the upper bowl removed, it still hosts occasional events such as conferences and swap meets. Jehovah's Witnesses have used the arena for an extended stay in 2019. In April 2020, state health officials announced that the Sleep Train Arena would be converted into a temporary hospital in response to the COVID-19 pandemic in California. The field hospital will treat coronavirus patients with mild to moderate symptoms while area hospitals would continue to treat acute care patients. In June 2021, the