A one-way clutch is provided. The one-way clutch may include an inner race and an outer race that may be provided with a pocket defining a leading edge and a trailing edge that may define a fluid passage. The one-way clutch may also include a rocker. The rocker may be disposed between the inner and outer races and include first and second ends. The first end may define first cross-sectional area and the second end, and the leading edge may define a second cross-sectional area that is less than the first.