CREATE TABLE table_45146 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

Who was the opponent in the bout that led to a win in a time of 1:21?
SELECT "Opponent" FROM table_45146 WHERE "Res." = 'win' AND "Time" = '1:21'
SELECT "Opponent" FROM "table_45146" WHERE "Res." = 'win' AND "Time" = '1:21'