See the thing about that is the fact Gerhart faced MUCH stiffer run defenses that Ingram. Ingram played one game against a top 40 rush defense. Gerhart had 5 and beat Ingram in almost every stat category.
Manny agreed on the fight in March and contracts could be signed soon. So it'd be the same time as GSP vs Hardy which fails to compare to this potentially epic bout.
Let's see, if Artest has actually been training than he stands a good chance. You'd be amazed how sh/tty an untrained guy looks against someone with even a small amount.