There are still five games remaining in the New York Giants' season but defensive end Justin Tuck says the playoffs begin now for his team. Starting with a showdown with the undefeated Green Bay Packers on Sunday, the Giants likely have to win at least four of their last five games to finish the season with a realistic shot at the playoffs and winning the NFC East. "We'll keep fighting," Tuck said in his weekly interview with WFAN radio. "There are some issues we have to get fixed. This is a playoff ... The playoffs have started for us. We haven't given us any margin for error." Read more: http://espn.go.com/new-york/nfl/sto...k-giants-justin-tucks-says-playoffs-start-now