Can a fielder block the base without the ball?

A fielder who doesn’t have the ball can’t block the base. That’s obstruction, and the runner gets the base he was going for, plus any others the umpire thinks he’d have reached. It’s the same rule for the shortstop, the first baseman, the third baseman and the catcher (there’s no separate catcher rule in youth ball).

But the details depend on whose rulebook we’re playing under. Picture a runner stealing second. The shortstop takes the throw with his knee already on the ground in front of the bag, and the runner’s foot never gets there. He’s tagged. The other dugout is fine with it, and you’re not.

Whether you’re right depends on when that knee went down.

High school and Perfect Game. Perfect Game plays the high school book, which is the strict version. Without possession of the ball, the fielder can’t deny the runner access to the base. It doesn’t matter that the throw was on its way, or that the throw took him there. If the knee goes down before the ball is in the glove, it’s obstruction. A catcher standing in the lane waiting for the throw is obstructing too.

USSSA and the pro rules. In travel ball on the pro rules, the throw matters. A fielder is allowed to be in the act of fielding a throw. If the ball is in the air, coming straight at him, and close enough that he has to be in that spot to catch it, he’s not obstructing. What he can’t do is set up in the runner’s path and wait for a throw that hasn’t been made. The umpire is judging whether he moved there for the ball or parked there for the runner.

Little League works the same way. Set up out of the path, and move into it when you have the ball, or when the throw is almost there and you need the spot to catch it. Setting up in front of the bag ahead of the throw is obstruction.

All of this applies at home, too. A catcher can’t plant himself on the plate and wait. In high school and at Perfect Game events, he needs the ball first. In USSSA, the throw can bring him there. Either way, a catcher who blocks the plate with no throw coming just gave the run away, so it’s important that he learns to take the throw in front of the plate and swipe.

What it costs. If the play is on that runner, the ball is dead and he gets at least one base past the last one he had. If it’s not, play goes on and the umpire sorts it out afterward. And if the runner runs the fielder over instead, that’s malicious contact and he’s gone, obstruction or not. Obstruction gets him a base, but it doesn’t give him permission to run someone over.

The rule leans toward the runner, and there’s a good chance your umpire learned it at a high school game. Do you know which version your league plays?