Just some Graves stuff below. It's based on Hockey Reference's point shares and games played:
[TABLE=collapse]
[TR]
[TD][/TD]
[TD]pens[/TD]
[TD]elsewhere[/TD]
[TD]% error[/TD]
[/TR]
[TR]
[TD]gp[/TD]
[TD]
70
[/TD]
[TD]
302
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]ops[/TD]
[TD]
0.1
[/TD]
[TD]
5.6
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]dps[/TD]
[TD]
3.3
[/TD]
[TD]
17.3
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]tps[/TD]
[TD]
3.3
[/TD]
[TD]
22.9
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]ops/gp[/TD]
[TD]
0.001429
[/TD]
[TD]
0.018543
[/TD]
[TD]
92.29592
[/TD]
[/TR]
[TR]
[TD]dps/gp[/TD]
[TD]
0.047143
[/TD]
[TD]
0.057285
[/TD]
[TD]
17.70438
[/TD]
[/TR]
[TR]
[TD]tps/gp[/TD]
[TD]
0.047143
[/TD]
[TD]
0.075828
[/TD]
[TD]
37.82907
[/TD]
[/TR]
[/TABLE]
Basically, his offensive game suffered greatly with the Pens. And as such, so did his entire game.
edit: not sure why I used % error. regardless, huge differences.