Newhall-Caballero marched the Bears (3-1) the length of the field in nearly six minutes and 11 plays, taking the lead for good on a scrambling third down touchdown throw. He finished 25 of 39 for 229 yards and two touchdowns.
Brown led 10-6 at halftime after Newhall-Caballero's first TD pass, a 9-yarder to Tellef Lundevall.
Alexander Norocea kicked a 34-yard field goal early in the fourth to even the score, setting up the game-winning touchdown drive engineered by Newhall-Caballero.
Holy Cross outgained Brown 373-324 but had an interception and a lost fumble, while the Bears were without a turnover.
A UCLA football player was suspended indefinitely Friday after he was arrested on suspicion of rape.
The tougher tests await down the road for No. 3 Baylor Bears, but coach Art Briles has seen enough of his Bears to know this is his best team.
A decision has been made that Randy Edsall will not be the football coach at Maryland next season, and discussions are taking place about how and when to separate, a source said Thursday night.
Appalachian State's board of trustees has approved a five-year contract for third-year football coach Scott Satterfield, who guided the Mountaineers through the transition from FCS to FBS.
Florida State running back Mario Pender has been released from the hospital but could be given a medical redshirt if he cannot return to the field this season.
The University of Wisconsin agreed to a 10-year deal with Under Armour on Friday worth a total of $96 million in cash and the retail value of products received.