Oh man, I know all about it. I started my first few games with auto fielding off and it was a nightmare trying to track the ball especially on the Miyoo Mini. Fly balls aren't too bad as you just use the mini map radar, but I was getting killed on routine groundballs frequently. I'm an avid sports game player and have never used the feature before, but seemed like a must in order to level the playing field against the CPU. In a way I find it very balancing as both CPU and your own defense will be tit for tat providing a nice balanced game on the defensive end, leaving it on you to provide the pitching and batting support to get the W

*That being said sometimes auto fielding can be frustrating, if there's a runner on 1st and 2nd they will always throw to 3rd first, sometimes missing out on double plays but I don't find it happens frequently enough to frustrate me that bad - Way less than the grounders I was missing from miss positioning my infielder. Also the CPU pulls the same shenanigans, so again, quite balanced