On July 19, the Tigers reached their peak of 21 games above .500 for the first time. They’d split their next four games and on July 23, they sat as 59-38 with a two game lead over the Indians.
Since that point, the entire division has been in a funk. There’s a three way tie for first with the White Sox, Twins and Royals going 13-15 since July 23, and the Indians are 12-15. The Tigers are at the bottom of that stack with a pretty poor 9-21 record. While the Tigers record is startling, the fact that none of the teams in the division are above .500 over the last month or so goes to show you why the Tigers have hung in there.