In June 1915, the Detroit Tigers were in a tight pennant race with the Boston Red Sox and needed pitching help.
 They purchased Steen from the Indians.
Steen played in 20 games for the 1915 Tigers (including seven as a starter), compiling a record of 5–1 with a 2.72 ERA (Adjusted ERA+ of 111) in 79.3 innings pitched.
 The 1915 Tigers wound up winning 100 games (the best record in the team's history) but finished in second place to the Red Sox who won 101 games.
 Steen pitched his last major league game on August 22, 1915.
In June 1915, the Detroit Tigers were in a tight pennant race with the Boston Red Sox and needed pitching help.  They purchased Steen from the Indians. Steen played in 20 games for the 1915 Tigers (including seven as a starter), compiling a record of 5–1 with a 2.72 ERA (Adjusted ERA+ of 111) in 79.3 innings pitched.  The 1915 Tigers wound up winning 100 games (the best record in the team's history) but finished in second place to the Red Sox who won 101 games.  Steen pitched his last major league game on August 22, 1915.
Bill Steen