By Zach Koons The 28-year-old forward is dealing with right foot soreness that flared up in Game 3 over the weekend. View the original article to see embedded media. On the verge of a Western Conference finals sweep of the Mavericks, the Warriors will be without a key bench contributor in Game 4. During an afternoon press conference, Steve Kerr announced forward Otto Porter Jr. will miss Tuesday’s Game 4. Porter, who was previously considered “doubtful” to play, is dealing with soreness in his right foot. Kerr explained that he doesn’t want to rush a return at this point of the playoffs. “He’s…