Marcus Semien understands who he is replacing. He knows what outfielder Brandon Nimmo meant to Mets fans and to the clubhouse he has helped lead over the better part of the last decade. The newest Mets infielder understands this because he held a similar status with his old team as a captain.

In the wake of the weekend’s surprising trade of Brandon Nimmo for Marcus Semien, president of baseball operations David Stearns established a theme for his Mets: “Anything would be realistic right no...

One intangible that Nimmo brings is some experience.