The cancer treatment kept Mary Nieto from attending Tuesday 's game .
Matt 's father Jesse was there and proud as ever when his son 's first - ever playoff goal gave him three points in three post-season games for the surging Sharks .
The cancer treatment kept Mary Nieto from attending Tuesday 's game , but Matt 's father Jesse was there and proud as ever when his son 's first - ever playoff goal gave him three points in three post-season games for the surging Sharks .