A pitcher has to get his work in, and that usually happens at the ballpark.
Just not always on the field.
For instance: the Royals pitchers didn't take the field at the Rogers Centre in Toronto on Monday after ice fell from a nearby building and left a hole in the stadium's roof.
What to do?
The Royals went to a parking area inside the stadium and got their work done.
Royals pitcher Danny Duffy shared this video on Twitter, and you can see team buses, TV trucks and cars all around: