For sure. No hitters are very hard to do and that also makes me think of Nolan Ryan's achievement there. The closest I've ever seen in person was one of Madison Bumgarner's one-hitters (I think he has four of those in his career) and it came in a string of games where the Giants pitchers threw four consecutive shutouts against opposing teams. Seemed like quite a feat, but I just looked that up and teams have done that 17 times in history (so it's unusual, but not impossibly rare).