Bubble Insider: Magic numbers

ESPN Insider delves into the bracket and the bubble every week:

Inside the Bracket

• Mar. 14: Clemson's retractable claws
• Mar. 13: Louisville - Mighty or vulnerable?
• Mar. 12: UConn's deep impact
• Mar. 11: Next step for Xavier?
• Mar. 10: Bombs away for Cal?
• Mar. 9: Teams improving seeds
• Mar. 6: Holes in the Heels
• Mar. 2: How good is KU?
• Feb. 27: Talking about Tigers
• Feb. 23: Upset power for Texas
• Feb. 20: Will ranked team miss Dance?
• Feb. 16: Missouri runs and rises
• Feb. 13: Beware Pac attack
• Feb. 9: Gators set to strike?
• Feb. 6: Orange aided by SOS
• Feb. 4: MSU: No shot for top seed
• Jan. 30: Field lacks Pac-10
• Jan. 26: Top seed of OU?
• Jan. 22: Irish RPI is ailing
• Jan. 13: Mid-majors, SEC slipping
• Jan. 6: Gonzaga's slide not terminal

Bubble Insider

• Mar. 13: Davidson doesn't belong
• Mar. 13: Friday status report
• Mar. 12: Bubble status report
• Mar. 11: Utah's coattails
• Mar. 10: Magic numbers
• Mar. 9: Creighton collapse
• Mar. 8: The final countdown
• Mar. 5: Last chance looming
• Mar. 1: Sorting out the field
• Feb. 26: Mock bracket lessons
• Feb. 22: Big East vs. ACC
• Feb. 19: Bubble Buster weekend
• Feb. 12: Big Ten, 12 take hits
• Feb. 5: Miami rises as Irish fall

Game Plan

• Feb. 28: Cards too tough
• Feb. 20: Survival at stake for Butler
• Feb. 16: UConn-Pitt is battle of boards

Dancing Lessons

• Mar. 11: Spoiler alert!