Atletico Morelia

In 1950 "Oro Morelia" changed the name to Club Deportivo Morelia. Morelia was among the teams that founded the Segunda División. After the 1956–1957 season, in which they ended up in second place, they were officially promoted into the Primera División to replace Puebla. After an unsuccessful season, in 1968 Atlético Morelia was relegated back to the Segunda División. During mixed 1968–1971 seasons, C.A. Morelia appointed Nicandro Ortiz as chairman. Ortiz acquired the team and strengthened its position in the league.

The July 1974 changes name in Club Atlético Morelia

The 1978–1979 season thrust Morelia into contention for promotion; Ortiz acquired the team and strengthened its position in the league, Nicandro Ortiz as chairman in 1980, Atlético Morelia played under manager Diego Malta who helped his team towards the Mexico Championship and finally promotion to the Primera División in 1981.

In 1986 before the World Cup in Mexico Atletico Morelia played friendlies against Germany Losing 2-1 and against the URSS again losing 4-1.

In 1996 the major broadcast company TV Azteca bought the team. In 1999 the club started playing under the name Club Monarcas Morelia.

Although the team had played Mexican professional football for 70 years, it had never won a first division tournament until winter 2000, when the club raised the cup after beating Toluca on penalties. The team was crowned champions away in the Bombonera Stadium. On the day after the victory, a crowd that some^[] estimate at 100 thousand people welcomed the team as it paraded along Morelia's main avenue, Avenida Madero on their way to the stadium where the crowd congregated as the team raised the cup and the fans congratulated the team for its first ever first division trophy.

After missing the playoffs for three consecutive tournaments, Morelia finished in third place in the general table in the Apertura 2009. Morelia defeated Santos Laguna in the first round, 4–2 on aggregate. Morelia was then defeated by Cruz Azul in a semi-final that was filled with controversy due to Cruz Azul player Joel Huiqui intentionally using his hand to hit the ball away and prevent Morelia midfielder Wilson Tíago from scoring. (Huiqui later played for Morelia.) With a 2–1 aggregate score, Morelia was eliminated. Morelia qualified for the 2010 Copa Libertadores by ending in third place in the classification phase. It was the second time that Morelia participated in the Copa Libertadores, the first being in 2002. Morelia was the Runner-up of the Clausura 2011, after a hard-fought final against Pumas. Pumas won the tie 3–2 on aggregate, taking the trophy home.

In 2010, Morelia became the SuperLiga champion, with a 2–1 victory in the finals over the New England Revolution in which Miguel Sabah scored both Morelia goals.

On November 5, 2013 Monarcas Morelia won their first Copa MX title in a 3–3 match that went to penalties, where they would take the victory. This title also allowed them to participate in the inaugural edition Supercopa MX, which they won against Tigres UANL with a global score of 5–4.

After 15 years, a dismal 2014–15 campaign left Monarcas as one of the last teams in the relegation table, an aggregate of a club's most recent points totals that decides which teams will be relegated. As a result, Enrique Meza was chosen to be the coach for the Apertura 2015 season. Meza had already saved Morelia before, in the 1995–96 season. After no notable improvement in team performance, Meza was let go from the position of head coach in 2016, with Roberto Hernandez taking over as interim manager. Hernandez's tenure would coincide with the signing of Peruvian forward Raul Ruidiaz on loan from Universitario. The signing of Ruidiaz would prove to be crucial to the club's fortunes, as he would go on to score 20 goals throughout the 2016-2017 Liga MX season, finishing as top scorer with 11 goals in the Apertura and 9 goals in the Clausura. In the following season, Morelia was in danger of being relegated on the final match day of the Apertura, residing in last place in the relegation table and needing a victory over Monterrey to avoid the drop. Tied 1-1 in injury time, Raul Rudiaz scored a crucial winner that moved them out of the relegation zone, with Jaguares de Chiapas being relegated in their stead. Ruidiaz's goal additionally qualified them for that season's liguilla, its first since the 2016 Clausura.

On May 23, 2020, various news outlets in Mexico reported the club would be relocating from Morelia to Mazatlán, Sinaloa and would be called Mazatlán F.C. The club's owner, Grupo Salinas, reportedly were asking for $400 million MXN per year from the Government of Michoacán to keep the team in the city. The move was very unpopular among supporters, former players, and the sports media across Mexico. Despite stay-at-home orders due to the COVID-19 pandemic, over 7,000 fans took to the streets of Morelia to protest the team's move.

On June 2, 2020, the club and Liga MX announced the club's relocation to Mazatlán, just two days before the club's 70th anniversary.

On June 26, 2020, Liga MX President Enrique Bonilla announced Atlético Zacatepec would be relocating to Morelia due to financial problems. The next day in a press conference at Estadio Morelos, it was announced the club would be called Club Atlético Morelia, the club's name for over 25 years before Grupo Salinas changed it in 1999. It was announced the ownership group would consist of former Guadalajara President José Luis Higuera as well as various businessmen from the state of Michoacán. The ownership group acquired the rights to the club's name and logo, both which were owned by Grupo Salinas.