Remaining tiebreaker scenarios:
AL WILD CARD:
If the Indians, Rangers, and Rays all finish with identical records, the Indians would host a Wild Card #1 tiebreaker on Monday. The loser of that game would then have to travel to Texas to play the Rangers in a Wild Card #2 tiebreaker. The scheduling is the result of the Indians having the best season record against the other two teams (7-5 against the Rangers and Rays). The Indians selected the right to host a tiebreaker on Monday. The Rays have the second best record amongst against the two teams (7-6 against the Indians and Rangers). The Rays opted to travel to a Wild Card #1 tiebreaker on Monday rather than host a Wild Card #2 tiebreaker on Tuesday. Therefore, despite the Rangers having the worst record against the two teams (5-8 against the Indians and Rays), the Rangers would host Tuesday's Wild Card #2 tiebreaker due to the Rays opting to play for Wild Card #1 on the road.
If the Indians and Rangers finish with identical records, the Indians would host Wednesday's AL Wild Card game by virtue of winning the season series against the Rangers 5-1.
If the Indians and Rays finish with identical records, the Rays would host Wednesday's AL Wild Card game by virtue of winning the season series against the Indians 4-2.
If the Rangers and Rays finish with identical records, the Rangers would host Wednesday's AL Wild Card game by virtue of winning the season series against the Rays 4-3.
AL HOME-FIELD ADVANTAGE:
If the Athletics and Red Sox finish with identical records, the Athletics would be the #1 seed in the AL. Both teams split their season series 3-3, so their tiebreaker now extends to intra-division records. Right now, the Red Sox are 44-30 against the AL East while the Athletics are 43-31 against the AL West. However, both teams have two intra-division games remaining. Since the Athletics are currently two games back of the Red Sox, this would require the Athletics to win their final two games and the Red Sox to lose their final two games. This would set the intra-division records for the Athletics at 45-31 and the Red Sox at 44-32.
If the Athletics and Tigers finish with identical records, the Athletics would be the #2 seed by virtue of winning the season series 4-3 against the Tigers. The Tigers are two games back of the Athletics, so the Tigers are guaranteed the #3 seed in the AL and will start the ALDS on the road in either Boston or Oakland.
NL HOME-FIELD ADVANTAGE
If the Braves and Cardinals finish with identical records, the Braves would be the #1 seed in the NL by virtue of winning the season series against the Cardinals 4-3.
There are no tiebreaker scenarios involving the Dodgers. They are guaranteed the #3 seed in the NL and will start the NLDS on the road in either Atlanta or St. Louis.
NL WILD CARD
If the Pirates and Reds finish with identical records, the Reds would host Tuesday's NL Wild Card game by virtue of winning the season series against the Pirates 10-9. Since the Reds are currently two games back of the Pirates and the Pirates currently lead the season series 9-8, this scenario would require the Reds to win the final two games of the season against the Pirates, which would allow them to finish 10-9 in the series.