Martial moves to the Liga MX club after spending 18 months in Greece with AEK Athens.
The France international joins Monterrey for a fee of €3.85m.
Monterrey announced this morning: "Club de Fútbol Monterrey informs fans and the media that French striker Anthony Martial has joined Rayados de Monterrey on a permanent basis and with a contract until 2027, with an option for another year.
"Anthony, who will be the first French player in the club's history, arrives at Rayados with extensive experience in Europe's top leagues and a strong ability to make a difference in Albiazul's attack. His talent, speed, and ability to finish in key moments will be a valuable asset to the team as they strive to achieve their goals. Welcome to Monterrey, Anthony!"