Pfizer (NYSE:PFE) has one of the biggest dividends in health care; but does that make it one of the sector's top dividend stocks? 

In this video, Motley Fool health-care analyst David Williamson will be grading well-known dividend stocks using a World Cup inspired grading system: A yellow card is a warning for investors, a red card is an ejection, and a "goal" happens if the stock looks like a winner. 

Watch and find out the current strengths and weaknesses of Pfizer, and if it should be ejected by investors.