What happened: The contract runs through 2027 and includes an option for an additional season. Sánchez previously played for Arsenal and Barcelona.
Why it matters: Montréal can control the agreement through 2028 if it exercises the option. The club adds one of Chile's most experienced internationals to its attack.
By the numbers: Sánchez owns 161 international caps for Chile.
What to watch: Attention turns to when Sánchez will be available for his Montréal debut.