The organization was named for the abundant California sea lion and harbor seal populations in the Bay Area.

The team played their home games at Recreation Park at Harrison and 8th Streets until it was destroyed in the 1906 San Francisco earthquake.

That same year, the Seals moved across town to play their inaugural and only season at foggy Ewing Field.

There were three breweries on the adjoining northwest corners of Seals Stadium, which included Hamm's, Budweiser and Lucky Lager.

He hired former major league player Lefty O'Doul, a native San Franciscan and fan favorite, as manager.

Though the Seals won the pennant in 1946, subsequent teams under Fagan's watch did not fare as well, typically finishing in the second division.

Fagan gave up his aspirations and sold his interest in the Seals, who became an affiliate of the Boston Red Sox.

As part of the Giants' transfer to San Francisco, the Seals became its top affiliate after a swap on October 15, 1957 in which the Minneapolis Millers joined the Red Sox organization.

The Giants' affiliation was transferred to the displaced Tucson AAA franchise, which became the Fresno Grizzlies until their reassignment to Low-A.

They retained their affiliation with the Arizona Diamondbacks as the Reno Aces, and play their home games at Greater Nevada Field.

The Seals were reborn as a collegiate woodbat team in 1985 by Bay Area high school and college coach as well as former scout Abel Alcantar.