By Joseph Salvador The Dolphins quarterback had some fun when talking to reporters and addressed the online criticism he gets. Dolphins quarterback Tua Tagovailoa has received his fair share of online criticism ever since joining the NFL—specifically because of his arm strength. And the 24-year-old decided to take a shot at those who he called “keyboard warriors.” “For me, it’s just zone that out,” he said Thursday. “I mean, we come out to practice, everyone else … Twitter warriors, you know, keyboard warriors, whatever you want to call them—they’re not out here practicing with us working hard…