By Tzvi Machlin If this really is Tom Brady’s final NFL season, he won’t be giving fans a sendoff at the Pro Bowl next Sunday in Las Vegas. According to ProFootballTalk, Brady has opted out of the Pro Bowl due to an aggravated shoulder injury. Though even if he wasn’t dealing with an injury, it’s doubtful he would have attended the game anyway. Brady rarely attends the Pro Bowl, which he’s been voted to on either first ballot or as an alternate 15 times. Given his age, there’s no incentive whatsoever for him to play in the not-so-glorified exhibition game. There’s also the fact that playing in…