By Daniel Chavkin The Buccaneers quarterback wore the shirt before playing Green Bay last weekend. Tom Brady wore a T-shirt before Sunday’s game against the Packers with a picture of his high school headshot, a move that ended up going viral on social media. And as it turns out, the shirt is for sale. The Buccaneers quarterback posted a video on Twitter and TikTok revealing that he is selling the shirt with the headshot as part of his “Forever Young” line on the Brady Brand website. Depending on what piece of clothing you want, the prices vary. One can buy the picture on a T-shirt for $45, on …