FILE - In this Nov. 1, 2018, file photo U.S. Air Force F-35 A-fighter jets from 31st Test Evaluation Squadron at Edwards AFB fly over Levi's Stadium before an NFL football game between the San Francisco 49ers and the Oakland Raiders in Santa Clara, Calif. Raytheon Co. and United Technologies Corp. are merging in a deal that creates one of the world's largest defense companies. The merger was announced Sunday, June 9, 2019. United Technologies makes engines for Lockheed Marti Corp.'s F-35 stealth fighter. (AP Photo/Ben Margot, File)

FILE - In this Nov. 1, 2018, file photo, Pro Football Hall of Fame president David Baker speaks during halftime of an NFL football game between the San Francisco 49ers and the Oakland Raiders in Santa Clara, Calif. Baker wants the Hall of Fame village to become a Disney World for football. To that end, a merger is planned to boost financing. The price tag has risen to nearly $900 million. (AP Photo/John Hefti, File)

FILE - In this Nov. 1, 2018, file photo, Pro Football Hall of Fame president David Baker speaks during halftime of an NFL football game between the San Francisco 49ers and the Oakland Raiders in Santa Clara, Calif. The Pro Football Hall of Fame in an unusual move is endorsing the labor agreement the players' union currently is voting on, citing pension benefits for its inductees and other former players. Hall of Fame President David Baker sent a letter to all inductees and their families on Monday, March 9, 2020. The Associated Press obtained a copy of the letter in which Baker refers to conversations with various league and union officials. Team owners approved the deal last month, and the player vote will conclude late Thursday night. (AP Photo/Ben Margot, File)