Gustav Crane has ‘grown a ton’ to become a dual-threat QB for Highland Park. He’ll soon be a playoff QB too.

Gustav Crane has ‘grown a ton’ to become a dual-threat QB for Highland Park. He’ll soon be a playoff QB too.

An unknown only two months ago, Highland Park junior quarterback Gustav Crane is already playing like a sure thing. With this polished version of Crane, a first-year starter, the Giants’ offense enters the postseason as a matchup problem for opponents. “The reps I got last year definitely helped prepare me,” he said. “I was obviously a little nervous with me taking my first varsity snaps. But then as the weeks went on, I settled into the season.…