RICHMOND, NOV. 17 -- Matching the school record for victories in a season, William and Mary marched into the Division I-AA football playoffs today with a 31-10 victory over Richmond in the 100th meeting between the two schools, the oldest rivalry in the South.

The Tribe, 9-2 and ranked ninth in this week's poll, simply has to sit by the phone Sunday and await a call from the I-AA playoff committee. By winning today, the Tribe -- which leads in the series with Richmond for the first time, 48-47-5 -- seems a strong bet to host a first-round game.

For a change today, the William and Mary defense held center stage. The Tribe sacked Greg Lilly 13 times and limited the Spiders to 153 total yards.

"Thirteen sacks?" said defensive end Alan Garlic. "I never envisioned we'd get that many sacks in one game. For this defense that's just unbelievable, but we felt all year we were better than people thought we were."

Said linebacker Mark Hughes: "We studied films of them {Richmond} and their blocking schemes. Their front line seems susceptible to the blitz, so that's where we concentrated our efforts. We were aggressive all day today."

Junior tailback Robert Green, who is second on the school's all-time career rushing list, scored William and Mary's fourth touchdown to tie the school record for points and touchdowns in a season. He has 17 touchdowns and 102 points, equalling Jack Cloud's 1947 marks.

The Tribe also has set school records for most points, most yards, total offense and most first downs.