Lewandowski scored five goals in nine minutes after
entering the game at halftime as a substitute, capturing
the hearts and minds of the soccer world that day.
The Guinness Book of Records ensured Lewandowski's
feat took its rightful place in the annals of German
soccer..."
http://nesn.com/2015/11/robert-lewandowski-enters0-guinness-book-of-records-for-five-goal-game/