The game winning walkoff grandslam Dunn hit reciently was one of the more exciting and thrilling moments in baseball that I've seen in a while. I was at GABP when Javy hit a pitch-hit walkoff 3 run shot and it was pretty cool, but Dunn's was very special.
What is the best homerun you've seen live? Gamewinner or not, important playoff game or not, doesn't matter.
Mine is a homer by Bench at Riverfront in the very early 80's. I was young and forgotten most of the details. I think it was against the Dodgers and wasn't a game winner or anything but I can vividly remember the packed house exploding with excitement when he jacked one over the fence in LF (I think it was LF). I was 10 or so and it was my first real taste of baseball excitement and energy. The crowd cheared until he made a curtian call and still went for a while. I've been going to Reds games since 1977 but this one moment stands out as my first real baseball memory and my favorite baseball homer.