It was. Here's a good run-down of events and decisions.
https://sports.yahoo.com/marlins-mets-ends-night-with-rainout-frustration-and-a-massive-question-mark-in-nl-wild-card-race-055050662.html
Let's hope he feels good at the plate. I have mixed feelings about DFA Anderson since he seemed to be finding his swing. He's streaky, and he maybe he could or can be helpful when it's go time.