He was almost 30% better offensively in 2015 than in 2014. If he had repeated his 2014 performance he wouldn't have lasted the season and would be looking for a minor league deal somewhere.
The bench is kind of full now.
LF - Revere
1B - Colabello
1B - Smoak
inf - Goins
OF - Saunders
OF - Pompey
Someone has to be shipped out to make room for a backup catcher.