Yankees shortstop Derek Jeter is of course playing the final game of his career today (NYY-BOS GameTracker), and the Red Sox paid him fitting tribute in a pregame ceremony at Fenway Park. 

Here's a look:

And here's perhaps the coolest retirement gift yet ... 

Hey, the day wouldn't be complete without a warm greeting from the normally hostile Fenway crowd ... 

One time only!

And now for some perspective from former Sock Lou Merloni ...