Boise State coach Chris Petersen could barely contain his grin while recounting the opening drive by his first-team offense after Sunday's fall scrimmage.
Behind senior quarterback Joe Southwick and a clever mix of passing and running plays, the offense marched into the red zone with the kind of efficiency and crispness offensive-minded coaches like Petersen dream about.
But it was a play by the Broncos' young defense that turned Petersen's grin into a big, broad smile. With the defense on its heels, senior Ebo Makinde, a cornerback making the shift to safety, swooped in to tip Southwick's pass in the back of the end zone before cradling it in his hands for an interception.
It's the kind of big, momentum-shifting play that Petersen and his staff will need the defense to make often this season.
''I think we're making progress,'' Petersen said of his revamped defense. ''This is always a hard position for me because ... on one side when the offense was moving the ball down there I'...