Certified softball maniac
First off, the defense obstructs, the offense interferes.
What you have described is interference, not obstruction. When you have interference, the ball is dead immediately, the player who committed the interference is out and all runners return to the last base touched at the time of the interference. Based on your play, the correct call should have been dead ball, batter out and runners returned to 1st and 3rd base.
But, you dont give the count on the batter for this situation. If this had been strike 3 on the batter you would have interference committed by a batter who was already out. You cannot have the same player out twice, so interference by a player already called out becomes the player closest to home is called out.
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Thanks, Comp. I didn't realize there were two different rules (and neither did the ump, who called obstruction.) The count was 1-1 and the pitch was called a strike (meaning it would have been 1-2 if the batter had not been called out). Love this forum for reasons like this, I learn so much.