CREATE TABLE table_2667 ("Team" TEXT, "Outgoing manager" TEXT, "Manner of departure" TEXT, "Date of vacancy" TEXT, "Replaced by" TEXT, "Date of appointment" TEXT, "Position in table" TEXT)

Name the date of vacancy for manuel pellegrini
SELECT "Date of vacancy" FROM table_2667 WHERE "Outgoing manager" = 'Manuel Pellegrini'
SELECT "Date of vacancy" FROM "table_2667" WHERE "Outgoing manager" = 'Manuel Pellegrini'