CHESAPEAKE, VA (WTKR)- Last week, Carlos Velez stepped in front of the mound at Harbor Park and fired in a first pitch prior to a Tides game.It was quite the experience for a big baseball fan, but this was about more than just a throw for Carlos."Throwing that ball, which was a strike, by the way, it means a lot," he recalled. "For [everybody with] Parkinson's, every single caregiver, every single doctor, supporter, this is for them."A veteran o…