Cleveland Indians First-Place Elimination Scenario
Cleveland must win 5 more games (85 total) to avoid elimination from first place.
Here are the final standings in a scenario in which Cleveland finishes in first place with 85 wins:

Team             W	L	PCT	GB
Cleveland        85	77	0.525	0.00
Detroit          85	77	0.525	0.00
Kansas City      82	80	0.506	3.00
Minnesota        73	89	0.451	12.00
Chicago          60	102	0.370	25.00

Tie breakers
Cleveland wins the series with Detroit 9 games to 4

To construct the scenario, we start with the current standings in the division:
Team             W	L	GL	PCT	GB
Detroit          85	67	10	0.559	0.0
Cleveland        80	71	11	0.530	4.5
Kansas City      76	76	10	0.500	9.0
Minnesota        66	86	10	0.434	19.0
Chicago          57	96	9	0.373	28.5

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

Chicago currently has 2 win(s) against Cleveland and 11 loss(es).
Chicago and Cleveland have no remaining games.
Chicago loses the series 2 games to 11.
Chicago wins 3 additional game(s) against teams outside the division and loses 6.

Chicago currently has 5 win(s) against Detroit and 8 loss(es).
Chicago and Detroit have no remaining games.
Chicago loses the series 5 games to 8.
Chicago wins 3 additional game(s) against teams outside the division and loses 6.

Chicago currently has 3 win(s) against Kansas City and 10 loss(es).
Chicago and Kansas City have no remaining games.
Chicago loses the series 3 games to 10.
Chicago wins 3 additional game(s) against teams outside the division and loses 6.

Chicago currently has 8 win(s) against Minnesota and 5 loss(es).
Chicago and Minnesota have no remaining games.
Chicago wins the series 8 games to 5.
Chicago wins 3 additional game(s) against teams outside the division and loses 6.

Cleveland currently has 5 win(s) against Detroit and 4 loss(es).
Cleveland wins 4 additional game(s) against Detroit and loses 0.
Cleveland wins the series 9 games to 4.
Cleveland wins 1 additional game(s) against teams outside the division and loses 2.

Cleveland currently has 8 win(s) against Kansas City and 5 loss(es).
Cleveland and Kansas City have no remaining games.
Cleveland wins the series 8 games to 5.
Cleveland wins 1 additional game(s) against teams outside the division and loses 2.

Cleveland currently has 6 win(s) against Minnesota and 3 loss(es).
Cleveland wins 0 additional game(s) against Minnesota and loses 4.
Cleveland loses the series 6 games to 7.
Cleveland wins 1 additional game(s) against teams outside the division and loses 2.

Detroit currently has 9 win(s) against Kansas City and 4 loss(es).
Detroit and Kansas City have no remaining games.
Detroit wins the series 9 games to 4.
Detroit wins 0 additional game(s) against teams outside the division and loses 6.

Detroit currently has 8 win(s) against Minnesota and 5 loss(es).
Detroit and Minnesota have no remaining games.
Detroit wins the series 8 games to 5.
Detroit wins 0 additional game(s) against teams outside the division and loses 6.

Kansas City currently has 7 win(s) against Minnesota and 6 loss(es).
Kansas City and Minnesota have no remaining games.
Kansas City wins the series 7 games to 6.
Kansas City wins 6 additional game(s) against teams outside the division and loses 4.

# Cleveland Indians' magic number
# Cleveland's magic number
# Indians' magic number
# MLB Playoff Race