The Hoyas (7-2, 3-1 Patriot League) led 6-0 at halftime on field goals of 18 and 37 yards by Brett Weiss.
When the teams returned for the third quarter, snow had blanketed the field, hampering the passing game. Kempf scored on a 27-yard run on Georgetown's first drive, then Logan added a 34-yard scamper with 2:37 left for a 19-0 lead.
The Crusaders (4-4, 2-1) finally scored with 1:32 to play on Ryan Taggart's 9-yard run, capping a six-play, 45-yard drive that lasted only 57 seconds.
After the two-point conversion failed, Holy Cross recovered an onside kick. Two plays later, the Hoyas got the ball back on a fumble, one of four the Crusaders lost.
Georgetown's Andrew Schaetzke had six tackles, two sacks and three tackles for loss.
In the dog days of summer, some of the world's most popular sports figures take a crack at sports other than their own.
Kansas State will add experienced safety Dante Barnett to what it appears to be a very solid returning core in the secondary.
On a defense in desperate need of new playmakers, Mondeaux is one of the Ducks' and new DC Brady Hoke's best bets.
Former NFL executive,player Merton Hanks has been named senior associate commissioner of Conference USA. He will be responsible for managing all of the league's operations for football, baseball.
The latest defensive triplets to be featured are Colorado's, as the Buffaloes are ranked ninth and could go even higher if their defense improves more.
Ohio State hits the road on Sept. 17 to take on Oklahoma, which returns QB Baker Mayfield and RB Samaje Perine after averaging 43.5 points in 2015.