League managers: This is a good resource on how to login to Arbiter and check your schedules for assigned umpires. Remember, it's your responsibility this year to check Arbiter to make sure your game(s) is correctly listed and that umpires are assigned for each game. You can fast forward to about the 10 minute mark - that's where the tutorial officially starts.

https://youtu.be/tKa6XFDH4tE