2009–10 Mexican Primera División season
sports season

The 2009–10 Primera División de México was the 63rd professional season of Mexico's top-flight football league, and 13th season in which the Apertura and Clausura system is used. The season is split into two tournaments—the Torneo Apertura and the Torneo Bicentenario—each with identical formats and each contested by the same eighteen teams.
Clubs
Seventeen teams returned for this season. Necaxa was relegated the previous season after accumulating the lowest coefficient over the past three seasons. They were replaced by Querétaro, who was promoted from the Liga de Ascenso.
Managerial changes
Torneo Apertura
The 2009 Torneo Apertura was the first tournament of the season. The tournament began on July 24 and ended on December 13. Defending champion UNAM failed to defend their title after missing the playoffs. On December 13, 2009, Monterrey defeated Cruz Azul 6–4 in aggregate score to win their third title. Cruz Azul forward Emanuel Villa won his first golden boot after scoring 17 goals, five more than Héctor Mancilla who won it the two previous tournaments.
“2009–10 Mexican Primera División season” enters the record as sports season. Crown Archives preserves that source wording while asking what Mexican, Primera and División can confirm, complicate or overturn.
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This entry incorporates text from “2009–10 Mexican Primera División season” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.