Philadelphia Phillies First-Place Elimination Scenario
Philadelphia must win 0 more games (96 total) to avoid elimination from first place.
Here are the final standings in a scenario in which Philadelphia finishes in first place with 96 wins:

Team             W	L	PCT	GB
Philadelphia     96	66	0.593	0.00
New York         83	79	0.512	13.00
Miami            79	83	0.488	17.00
Atlanta          76	86	0.469	20.00
Washington       66	96	0.407	30.00

To construct the scenario, we start with the current standings in the division:
Team             W	L	GL	PCT	GB
Philadelphia     96	66	0	0.593	0.0
New York         83	79	0	0.512	13.0
Miami            79	83	0	0.488	17.0
Atlanta          76	86	0	0.469	20.0
Washington       66	96	0	0.407	30.0

Next, we show how the remaining series of games plays out in the scenario:

Atlanta currently has 8 win(s) against Miami and 5 loss(es).
Atlanta and Miami have no remaining games.
Atlanta wins the series 8 games to 5.
Atlanta wins 0 additional game(s) against teams outside the division and loses 0.

Atlanta currently has 8 win(s) against New York and 5 loss(es).
Atlanta and New York have no remaining games.
Atlanta wins the series 8 games to 5.
Atlanta wins 0 additional game(s) against teams outside the division and loses 0.

Atlanta currently has 5 win(s) against Philadelphia and 8 loss(es).
Atlanta and Philadelphia have no remaining games.
Atlanta loses the series 5 games to 8.
Atlanta wins 0 additional game(s) against teams outside the division and loses 0.

Atlanta currently has 9 win(s) against Washington and 4 loss(es).
Atlanta and Washington have no remaining games.
Atlanta wins the series 9 games to 4.
Atlanta wins 0 additional game(s) against teams outside the division and loses 0.

Miami currently has 7 win(s) against New York and 6 loss(es).
Miami and New York have no remaining games.
Miami wins the series 7 games to 6.
Miami wins 0 additional game(s) against teams outside the division and loses 0.

Miami currently has 4 win(s) against Philadelphia and 9 loss(es).
Miami and Philadelphia have no remaining games.
Miami loses the series 4 games to 9.
Miami wins 0 additional game(s) against teams outside the division and loses 0.

Miami currently has 7 win(s) against Washington and 6 loss(es).
Miami and Washington have no remaining games.
Miami wins the series 7 games to 6.
Miami wins 0 additional game(s) against teams outside the division and loses 0.

New York currently has 7 win(s) against Philadelphia and 6 loss(es).
New York and Philadelphia have no remaining games.
New York wins the series 7 games to 6.
New York wins 0 additional game(s) against teams outside the division and loses 0.

New York currently has 7 win(s) against Washington and 6 loss(es).
New York and Washington have no remaining games.
New York wins the series 7 games to 6.
New York wins 0 additional game(s) against teams outside the division and loses 0.

Philadelphia currently has 8 win(s) against Washington and 5 loss(es).
Philadelphia and Washington have no remaining games.
Philadelphia wins the series 8 games to 5.
Philadelphia wins 0 additional game(s) against teams outside the division and loses 0.

# Philadelphia Phillies' magic number
# Philadelphia's magic number
# Phillies' magic number
# MLB Playoff Race