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Nebraska has its quarterback of the present, Adrian Martinez.

But in college football, the window with any given quarterback is short. Martinez will move on from NU in two or three seasons, so the Huskers’ chance to win with No. 2 is now.

And coach Scott Frost knows it’s important, heading into the 2019 season, to surround Martinez with key pieces.

“We feel like we’ve got a really good quarterback and we’re in a hurry to surround him with the type of weapons that we need in order to have a really good offense,” Frost said Tuesday on ESPN 590 AM. “You’re kind of on a clock with that. We feel really good about young quarterbacks, but while we’ve got a guy like Adrian, we want to surround him with as many good weapons as we can and guys that can change games.”

The Huskers are still searching for that combination. Frost said NU’s “one proven commodity” at receiver is junior JD Spielman.

“We feel good about our tight ends and the depth there, but we need more pass-catchers to step up,” Frost said. “We saw flashes of it this spring.”

Frost said “question marks” remain at running back.