Knowing the +/- number may not be a true indicator of a player's contribution...
Here are the final +/- for the season, as well as a +/- per 40 minutes:
+/- per 40
TORRENCE 27 +3.5
JOHN 30 +1.7
McEWEN 24 +1.2
CAIN 13 +0.6
GARCIA 8 +0.4
CARTON -11 -0.5
LEWIS -10 -0.9
IGHODARO - 3 -3.2
ELLIOTT -55 -4.5
PEREZ -32 -11.4
AKANNO -27 -17.1