New York Mets First-Place Eliminiation Scenario
New York must win 27 more games (27 total) to avoid elimination from first place.
Here are the final standings in a scenario in which New York finishes in first place with 27 wins:

Team             W	L	PCT	GB
New York         27	135	0.167	0.00
Washington       27	135	0.167	0.00
Miami            26	136	0.160	1.00
Philadelphia     26	136	0.160	1.00
Atlanta          24	138	0.148	3.00

Tie breakers
New York wins the series with Washington 7 games to 6

To construct the scenario, we start with the current standings in the division:
Team             W	L	GL	PCT	GB
Atlanta          0	0	162	0.000	0.0
Miami            0	0	162	0.000	0.0
New York         0	0	162	0.000	0.0
Philadelphia     0	0	162	0.000	0.0
Washington       0	0	162	0.000	0.0

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

Atlanta currently has 0 win(s) against Miami and 0 loss(es).
Atlanta wins 11 additional game(s) against Miami and loses 2.
Atlanta wins the series 11 games to 2.
Atlanta wins 0 additional game(s) against teams outside the division and loses 110.

Atlanta currently has 0 win(s) against New York and 0 loss(es).
Atlanta wins 7 additional game(s) against New York and loses 6.
Atlanta wins the series 7 games to 6.
Atlanta wins 0 additional game(s) against teams outside the division and loses 110.

Atlanta currently has 0 win(s) against Philadelphia and 0 loss(es).
Atlanta wins 0 additional game(s) against Philadelphia and loses 13.
Atlanta loses the series 0 games to 13.
Atlanta wins 0 additional game(s) against teams outside the division and loses 110.

Atlanta currently has 0 win(s) against Washington and 0 loss(es).
Atlanta wins 6 additional game(s) against Washington and loses 7.
Atlanta loses the series 6 games to 7.
Atlanta wins 0 additional game(s) against teams outside the division and loses 110.

Miami currently has 0 win(s) against New York and 0 loss(es).
Miami wins 6 additional game(s) against New York and loses 7.
Miami loses the series 6 games to 7.
Miami wins 0 additional game(s) against teams outside the division and loses 110.

Miami currently has 0 win(s) against Philadelphia and 0 loss(es).
Miami wins 7 additional game(s) against Philadelphia and loses 6.
Miami wins the series 7 games to 6.
Miami wins 0 additional game(s) against teams outside the division and loses 110.

Miami currently has 0 win(s) against Washington and 0 loss(es).
Miami wins 11 additional game(s) against Washington and loses 2.
Miami wins the series 11 games to 2.
Miami wins 0 additional game(s) against teams outside the division and loses 110.

New York currently has 0 win(s) against Philadelphia and 0 loss(es).
New York wins 7 additional game(s) against Philadelphia and loses 6.
New York wins the series 7 games to 6.
New York wins 0 additional game(s) against teams outside the division and loses 110.

New York currently has 0 win(s) against Washington and 0 loss(es).
New York wins 7 additional game(s) against Washington and loses 6.
New York wins the series 7 games to 6.
New York wins 0 additional game(s) against teams outside the division and loses 110.

Philadelphia currently has 0 win(s) against Washington and 0 loss(es).
Philadelphia wins 1 additional game(s) against Washington and loses 12.
Philadelphia loses the series 1 games to 12.
Philadelphia wins 0 additional game(s) against teams outside the division and loses 110.

# New York Mets' magic number
# New York's magic number
# Mets' magic number
# MLB Playoff Race