sentences:  His most productive season came in 1916 with Washington, when he posted career numbers in wins (14), strikeouts (149) and innings pitched (249⅓), while recording an earned run average of 2.45.In 1918, Harper went 11–10 in 244.0 innings, but his 2.18 ERA ranked him sixth between the American League pitchers.He had a 6–21 record with a 3.72 ERA for the hapless Senators in 1919 to lead the AL in losses, and in 1920 he had a 5–14 mark with the Red Sox.