Jennifer Hubbard Jennifer Hubbard played for the Mariners in the Ponytail American League of the 2005 Slow-Pitch Softball Season (5/1/2005 - 6/30/2005) for girls aged 8 - 10 on 9/1/2005 (born 9/2/1994 - 9/1/1997). Jennifer Hubbard has also played for: Celtics, Ponytail Division Basketball, 2004 Season. Jennifer's Celtics Page