8,582. In attendance, for the dedication ceremonies, were Commissioner Ford Frick, National League President Warren Giles, and Giants owner Horace Stoneham. The stadium hosted a "welcome home" rally for presidential candidate Barry Goldwater on October 31, 1964, shortly before the election. It was the first time the stadium had been filled to capacity. The city of Phoenix installed an evaporative cooling system in the stadium in 1966. The Phoenix Giants returned in 1966 as a Triple-A affiliate of the San Francisco Giants. That year the Giants signed a five-year lease on the stadium at $15,000/year to use Phoenix Muni for spring training, Triple-A games, and winter instructional league. They rebranded as the Firebirds in 1986. In 1981, the San Francisco Giants signed an agreement to move to Scottsdale Stadium because the city of Phoenix did not provide requested renovations. The Oakland Athletics, who previously trained in Scottsdale, signed a seven-year lease to move to the stadium. The A's also renovated the dugouts and training complex. The Phoenix Firebirds moved from the stadium in 1992 after entering discussions with the city of Scottsdale to play at the newly rebuilt Scottsdale Stadium. At the time of the move, the Firebirds' $10,000/year rent agreement did not come close to covering the city of Phoenix's maintenance expenses. In 2003, the stadium underwent a $6.4 million renovation. The press box facilities were enclosed - at the time, the stadium had the only open-air facilities in the Cactus League. New dugouts, better signage, improved concourse areas with benches, shading, and a historical timeline were all added. Arizona State Sun Devils In 2013, The Arizona Board of Regents approved Arizona State University's 25-year lease to Phoenix Municipal Stadium. The stadium is 2.5 miles from Arizona State's main campus in Tempe (and as such, accessible via the Phoenix light rail system). The ASU baseball program has history at the site, as Reggie Jackson was the first college player to hit a home run out of Phoenix Municipal Stadium. The Sun Devils started play in 2015 after which Packard Stadium, their former venue, was redeveloped to help pay for planned improvements to the ASU football facility, Sun Devil Stadium. Arizona State had previously played selected games at the stadium in the 1960s, especially against their rival, the University of Arizona. Other events The stadium has also hosted Arizona Fall League games during the fall. It hosted the home games