WEST POINT, N.Y. (AP) - It's crunch time for Army.

Four games - and four losses - into the season, the Black Knights cannot afford another when they host Boston College (1-3) on Saturday at Michie Stadium. The triple option has to excel and the defense can't have the letdowns it experienced in the first three games, or else Army will have its first 0-5 start since 2005 and a nine-game losing streak.

Although the Eagles have lost two straight, they present a real challenge for the Army defense, which is allowing nearly 475 yards of total offense and more than 38 points per game. BC's Chase Rettig ranks second in the Atlantic Coast Conference and 11th among all FBS quarterbacks in passing yards per game at 323.

Senior quarterback Trent Steelman, the man who makes Army's option so potent, is still nursing sore ribs and is listed as probable.