Oakland Athletics First-Place Clinch Scenario

Oakland does not have a first-place clinch number

Here is a scenario in which Oakland wins all 12 of their remaining games (82 total) but does not but does not clinch first place.

Team             W	L	PCT	GB
Seattle          85	77	0.525	0.00
Oakland          82	80	0.506	3.00
Houston          82	80	0.506	3.00
Texas            81	81	0.500	4.00
Los Angeles      72	90	0.444	13.00

Tie breakers
Oakland wins the season series with Houston 9 games to 4.

To construct the scenario, we start with the current standings in the division:
Team             W	L	GL	PCT	GB
Seattle          82	68	12	0.547	0.0
Houston          82	69	11	0.543	0.5
Texas            79	72	11	0.523	3.5
Oakland          70	80	12	0.467	12.0
Los Angeles      69	81	12	0.460	13.0

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

Los Angeles has won the season series with Oakland 9 games to 4.
Seattle has won the season series with Los Angeles 9 games to 4.
Seattle has won the season series with Oakland 7 games to 6.
Seattle has won the season series with Texas 10 games to 3.
Texas has won the season series with Los Angeles 8 games to 5.
Texas has won the season series with Oakland 8 games to 5.

Los Angeles currently has 4 wins against Houston and 6 losses.
  Los Angeles wins 3 additional games against Houston and loses 0.
  Los Angeles wins the series 7 games to 6

Oakland currently has 6 wins against Houston and 4 losses.
  Oakland wins 3 additional games against Houston and loses 0.
  Oakland wins the series 9 games to 4

Seattle currently has 5 wins against Houston and 5 losses.
  Seattle wins 3 additional games against Houston and loses 0.
  Seattle wins the series 8 games to 5

Texas currently has 6 wins against Houston and 5 losses.
  Texas wins 2 additional games against Houston and loses 0.
  Texas wins the series 8 games to 5

Houston wins 0 games agains teams outside the division and loses 0.
Los Angeles wins 0 games agains teams outside the division and loses 9.
Oakland wins 9 games agains teams outside the division and loses 0.
Seattle wins 0 games agains teams outside the division and loses 9.
Texas wins 0 games agains teams outside the division and loses 9.

Combining the current standings with the wins and losses from the scenario results in the final standings listed above.
# Oakland Athletics' magic number
# Oakland's magic number
# Athletics' magic number
# MLB Playoff Race