James Douglas Jennings (born September 30, 1964), or referred to in Japan as "D.J", is a former professional baseball player who played in the Major Leagues primarily as a utility player from 1988–1991 and 1993, and in Nippon Professional Baseball for the Orix BlueWave as an outfielder from 1995 to 1997.

Four hours later, his pinch-hit double broke a seventh-inning tie and sparked the Cubs to an 8–3 victory over the New York Mets in front of a crowd of more than 30,000 people at Wrigley Field.

Jennings played in Japan for 3 years with the Orix BlueWave, teammates with Ichiro all three seasons, D.J batted in the lineup in either the 3 or 4 hole and helped lead Orix to consecutive Japan Series, losing in 1995 and winning in 1996.

On July 16, 1999, he hit the game-winning home run in the 10th inning in the first game at Bears & Eagles Riverfront Stadium.

From 2000 to 2005 Jennings played for the Long Island Ducks also of the independent Atlantic League.