Some games that have umpires are:
o Cricket
o Tennis
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The guys on the field with all the pads. One is behind the plate(calls balls or strikes), one by third base(calls the runner safe or if he is out), and one by first base(calls the runner safe or if he is out.
In hockey, there are a few referees. One of them is called an umpire. I don't know why.
No, basketball has referees. They do the same type of thing that an umpire does, though.