List all of the NLL Toronto Rock players. 
CREATE TABLE "table1_18042409_1" (
  "player" text,
  "alma_mater" text,
  "national_lacrosse_league" text,
  "major_league_lacrosse" text,
  "international_competition" text
);
SELECT "player" FROM "table1_18042409_1" WHERE "national_lacrosse_league"='Toronto Rock';