Four hours a day, four days a week. That’s all the time Frank Reich and the Colts coaching staff have right now to work with a roster scattered around the country, hunkered down within their homes and scrambling to find ways to get in workouts. But Indianapolis has managed to make its virtual offseason program feel something like the real thing, right down to bringing in a surprise guest, legendary NBA sharpshooter Ray Allen, to speak to the team last week.