Mexicali had a working agreement with St Louis,[8] Phoenix with Baltimore[8] and the recently joined Globe-Miami team signed with Philadelphia.
A player pool, based on attendance, was also voted in with the top four finishers splitting the profits.
Douglas, Las Vegas, Tucson, Phoenix and the two Mexican entries, Mexicali and Cananea.
The league lineup is two short of last season, which included Yuma, Tijuana and Nogales.
Nogales and Tijuana had financial difficulties and Yuma had problems in securing the municipal ball park after leaving a $3,000 debt after the previous season.
The president said the schedule will have teams playing in each city five times during the summer with three games as the maximum series.
[14][15] The number of working agreements decreased to two teams, Phoenix with the Baltimore Orioles and Douglas with the Pittsburgh Pirates.
[19][20] Two weeks before the start of the season, it was announced that the Nogales-Cananea franchise will operate solely from Nogales that year.
League president Chuck Hollinger made the announcement after talking by telephone to Cananea officials who had conferred earlier in the day with Carlos de la Isla of Nogales.
For the past several seasons Cananea had been leading the league in attendance but the previous year, due to the drop in copper prices in the mining city, the club had trouble making ends meet.
[21] In 1958 the Douglas Copper Kings did something no other professional team has done in minor league baseball history.
In late 1958, Phoenix was granted a Class AAA Pacific Coast League membership as it received the AAA San Francisco Seals club membership as the New York Giants moved to San Francisco.
Don Jameson, owner of the Tucson Cowboys, received a night wire and $2,100 in deposits which was that years league dues.
[22] On December 21, 2002, a meeting was held by representatives of the Bisbee-Douglas Copper Kings, Cananea Mineros, Juarez Halcones and Nogales Charros.
The renovations had not begun as of 30 days before the beginning of the season, and the league voted to move the team to the next viable city.
Bisbee-Douglas explained they had overdrawn at the bank, the primary Nogales shareholder told the meeting they did not want to continue.
The league's highest profile player was former MLB outfielder Chuck Carr who signed with Bisbee-Douglas as a player-coach on May 7.