With Aaron Loup a free agent, deep dive into his dominant 2021 shows it wasn't a flukeLoup's sinker/cutter combo was lethal all season long, especially against NL East opponents10/7/2021, 3:00 PMScott ThompsonEditorial ProducerAaron Loup / USA TODAY Sports/Treated by SNYJun 3, 2021; San Diego, California, USA; New York Mets relief pitcher Aaron Loup (32) pitches against the San Diego Padres during the eighth inning at Petco Park. / Orlando Ramirez-USA TODAY Sports