How can I improve my team? Rate...0-1 and need help

[OrangeDelight]

Standard scoring yahoo league 12 teams

QB: Carson Palmer
WR: Calvin Johnson
WR: Anquan Boldin
RB: Maurice Jones Drew
RB: Ray Rice
TE: Dallas Clark
K: Neil Rackers
DEF: Washington (but i add drop defenses continuously depending on matchups)

Bench

QB: Matt Schaub
RB: Beanie Wells
RB: Donald Brown
RB: Willie Parker
RB: Mewelde Moore
RB: James Davis