Here is an authentic 2013 Boston Red Sox signed team baseball. There are 6 signatures on this ball.
Here is a look at side 1. Signature:
Shane Victorino 18 - OF
Here is a look at side 2. Signatures from top to bottom:
David Ross 3 - C
Mike Carp 37 - 1B/OF
Here is a look at side 3. Signatures include from top to bottom:
Dustin Pedroia 15 - 2B
Will Middlebrooks 16 - 3B
Jacoby Ellsbury 2 - CF