Related Clues:
- Things touched in double plays
- Strike zone-watching refs
- Officials calling strikes
- Home plate officials, informally
- Diamond parts that are rounded
- Acids' opposites
- Rules on fouls
- Crew of four on a baseball diamond
- Workers who make lots of calls
- Some work at home
- Cricket officials, for short
- They watch people steal
- Softball refs
- Corners of softball diamonds
- Officials at Phillies games, briefly