How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday100.0*Average seed
San Antonio 2 Texas 4 +0.8
Tucson 3 San Diego 2 -0.7
Saturday100.0*Average seed
Tucson 6 San Diego 3 -0.9
Texas 3 San Antonio 4 (so)-0.9
SundayNone
Points
Chance Will Make Playoffs