[citation needed] In 1961 and 1962, Finley talked to people in Dallas–Fort Worth and a four-man group appeared before American League owners,[4] but no formal motion was put forward to move the team to Texas.

The Athletics drew national attention when, on May 8, 1968, Jim "Catfish" Hunter pitched a perfect game (the American League's first during the regular season since 1922) against the Minnesota Twins.

Players such as Reggie Jackson, Sal Bando, Joe Rudi, Bert Campaneris, Catfish Hunter, Rollie Fingers, and Vida Blue formed the nucleus of these teams.

Among the more notable incidents during this time was a near-mutiny in 1967; Finley responded by releasing the A's best hitter, Ken Harrelson, who promptly signed with the Red Sox and helped lead them to the pennant.

Finley forced Mike Andrews to sign a false affidavit saying he was injured after the reserve second baseman committed two consecutive errors in the 12th inning of the A's Game Two loss to the Mets.

Forced to turn to local buyers, Finley sold the A's to San Francisco clothing manufacturer Walter A. Haas, Jr., president of Levi Strauss & Co. prior to the 1981 season.

Under the Haas ownership, the minor league system was rebuilt, which bore fruit later that decade as José Canseco (1986), Mark McGwire (1987), and Walt Weiss (1988) were chosen as AL Rookies of the Year.

In a turn of events eerily reminiscent of the A's Roger Maris trade 38 years before, Mark McGwire celebrated his first full season with the Cardinals by setting a new major league home run record.

The Schott-Hofmann ownership allocated resources to building and maintaining a strong minor league system while almost always refusing to pay the going rate to keep star players on the team once they become free agents.

This period in Oakland history featured splendid performances from a trio of young starting pitchers: right-hander Tim Hudson and left-handers Mark Mulder and Barry Zito.

In the sixth, second baseman Velarde caught Shane Spencer's line drive, tagged Jorge Posada running from first to second, and stepped on second before Tino Martinez could return.

On March 30, 2005, the Athletics were sold to a group fronted by real estate developer Lewis Wolff, although the majority owner is John J. Fisher, son of The Gap, Inc.'s founder.

On July 8, the A's were involved in a blockbuster trade, dealing Rich Harden and Chad Gaudin to the Chicago Cubs for Sean Gallagher, Josh Donaldson, Eric Patterson, and Matt Murton.

In the 2009 offseason, the A's traded promising young star OF Carlos González, closer Huston Street and starting pitcher Greg Smith for Matt Holliday of the Colorado Rockies.

On May 9, 42 years almost to the day after Catfish Hunter, A's pitcher Dallas Braden pitched a perfect game, the 19th in Major League history, in a 4–0 victory over the Tampa Bay Rays at the Coliseum.

At the August 31 waiver trade deadline, the A's acquired first baseman Adam Dunn from the Chicago White Sox and cash considerations for a minor league player.

While they carried a 7–3 lead going into the bottom of the 8th inning, they managed to relinquish it due to the Royals' baserunning skills coupled with ineffective pitching, allowing them to tie the game.

To bolster the pitching rotation, on July 14, the Athletics acquired RHP Homer Bailey from the Kansas City Royals in exchange for SS Kevin Merrell.

[b] Many have argued that Fisher's lack of spending on the team was a deliberate effort to sink the club and keep fans away from the Coliseum in order to sabotage negotiations in Oakland.

[46][47] Others have opined that by many measures, such as public money available and market size, Oakland was actually offering the better stadium deal, and that the relocation was purely an effort for the A's to remain on revenue sharing with no other factors considered, as some commentators have speculated that Fisher was no longer able to afford his part of the Howard Terminal project.

During their dynasty years in the 1970s, the A's had dozens of uniform combinations with jerseys and pants in all three team colors, and never wore the traditional gray on the road, instead wearing green or gold, which helped to contribute to their nickname of "The Swingin' A's".

[61][62] The following year, the team introduced The Treehouse, a 10,000-square-foot (930 m2) area open to all fans with two full-service bars, standing-room and lounge seating, numerous televisions with pre-game and postgame entertainment.

The inside section features a stage and video wall for interactive events, a digital experience that lets youngsters race their favorite Athletics players, replica team dugouts, a simulated hitting and pitching machine, foosball, and a photo booth.

[64] In addition, the tarps on the upper deck were removed; a modern version of the beloved mechanical Harvey the Rabbit to deliver the first pitch ball was re-introduced, while the playing surface at the Coliseum was renamed "Rickey Henderson Field".

On February 24, 2009, however, Lew Wolff released an open letter announcing the end of his efforts to relocate the A's to Fremont, citing "real and threatened" delays to the project.

[74] The project faced opposition from some in the community who thought the relocation of the A's to Fremont would increase traffic problems in the city and decrease property values near the ballpark site.

Although land south of Diridon Station would be acquired by the city as a stadium site, the San Francisco Giants' claim on Santa Clara County as part of their home territory would have to be settled before any agreement could be made.

Dick AllenHarold BainesOrlando CepedaDennis Eckersley * Rollie Fingers *Goose GossageRickey Henderson *Catfish Hunter * Reggie Jackson *Tony La RussaWillie McCoveyJoe Morgan Dave ParkerMike PiazzaTim RainesDon Sutton Frank ThomasBilly WilliamsDick Williams Harry CarayHerb Carneal Al HelferBill King By SaamLon Simmons The Oakland Athletics had retired six numbers; additionally, Walter A. Haas, Jr., owner of the team from 1980 until his death in 1995, was honored by the retirement of the letter "A".

[104] Going into the 2020 season, the Oakland Athletics had a deal with TuneIn for A's Cast and no flagship radio station in the Bay Area but changed their plans due to the COVID-19 pandemic keeping fans from attending games.

The 2003 Michael Lewis book Moneyball chronicles the 2002 Oakland Athletics season, with a focus on Billy Beane's economic approach to managing the organization under significant financial constraints.