The Mets and Yankees have shown interest in free agent David Robertson, who's throwing for interested clubs. Read more at MLB Trade Rumors.

Life is defined by constant change, but David Robertson finding his way onto a team's bullpen is seemingly inevitable.

The veteran righty last threw to a sub-2.00 ERA in 2017, something he accomplished twice, but his 2.91 career ERA still stands as a testament to his reliability over the past few decades. Today, he still waits in free agency. However, it might not be long until he finds himself in a new uniform — or possibly an old one.