It's officially magic number season as the Phillies are one game away from clinching their second straight NL East title.

A team's magic number represents the combination of wins needed by that team and losses by its closest competitor to clinch a given goal. Every time a team wins, its magic number decreases by one.

The Chicago Cubs enter Friday’s game with the Tampa Bay Rays with a magic number of eight to clinch a playoff berth. Chicago (83-63) has been chipping away at ...