One fatal flaw on each MLB contender that could derail long playoff run

As the MLB season enters its final week, thirteen teams remain in contention for the October playoffs. However, none of these contenders are viewed as entirely complete rosters. Each of these thirteen teams possesses at least one fatal flaw that could potentially derail their pursuit of a long playoff run. This lack of total completeness presents a significant risk for every team still fighting for a spot in the postseason as the regular season concludes.