Son too soon. Now the family needs your help. Kpix 5s don knapp is at the ballpark where the family pleaded for witnesses to come forward. Many folks are arriving for the giants last game of the season today, were reminded of the painful aftermath of fan violence reminded by a family thats living through it. Reporter as thousands of excited giants fans arrived at at t park for the last game of the giants season, a small group of family members and friends gathered outside Willy Mays Plaza to mourn the stabbing death of dodgers fan jonathan denver. Ill always cherish the time me and my son spent here at the game. More than once that night jonathan told me how much he loved me. Reporter robert preese, his family and friends held a News Conference to ask for help in to investigation of his sons death. San Francisco Police say the stabbing death came after a series of confrontations between denvers group of dodgers fans, and a group of giants fans, including 21yearold Michael Montgomery of