4 - The number of active NHL players who have scored more playoff overtime goals than Nicklas Backstrom, who has done it three times. Jaromir Jagr, Patrick Marleau, Martin St. Louis, and Patrick Kane, have all done it four times.
Since the start of the 2010 playoffs, Kane (four) is the only player to have scored more than Nicklas Backstrom's three. Marleau has also lit the lamp in overtime three times over that period.
Backstrom's third playoff overtime game-winner tied him for 18th on the all time list.
(s/t to hockey-reference.com for the data)