NFL commissioner Roger Goodell has asked all home teams to hold a moment of silence before each game this weekend in honor of John Madden, the Hall of Fame coach and broadcasting icon who died Tuesday. He was 85. In a memo to all 32 teams Thursday, the league requested that each home team have the honorary silence just before the national anthem and included a suggested announcement to make over the public-address system. “Ladies and gentlemen, earlier this week the NFL family lost a Hall of Fame coach, broadcaster, and friend with the passing of John Madden,” the memo said. “At this time, please stand and join in a moment of silent reflection in memory of John Madden, who had an indelible impact of football, the NFL and generations of fans.” Madden died unexpectedly on Tuesday, according to the NFL. No cause of death was given. Madden won Super …