I would have to say my best baseball memory does not have to do with any individual performances, or team performance. When I was in Pro ball, I was at the field, and there is a military base in the town which our team was located, so the military used our stadium for working out their bomb sniffing dogs.
They would plant caches in the stands, and walk the dogs around to sniff them out. Well I was walking from the Front Office down through the stadium, and I met with a troop. He was amazed, and said "Wow you guys are lucky to do this everyday."
I looked at him and said "We are lucky, but we are only lucky to play this game because of guys like you defending us, who give us the freedom to play this game" After I said that I will never forget the look on his face. Seeing that smile, was the defining moment of my baseball career. Every other achievement does not even come close. To me, that is what this game is all about.