Will playoff history be made?

Several teams have the chance to erase a 3-1 deficit. (PER Diem: May 9, 2012)

Updated: May 9, 2012, 3:10 PM ET
By John Hollinger |

Ready to see history made?

Only eight teams in NBA history have come back from a 3-1 deficit in a best-of-seven series, but there's a good chance the ninth such case will happen this weekend, and perhaps the 10th and 11th as well.