See any possible holes in this lineup?

[chargerss24]

Currently in first place in my 12-team keeper 6x6 league (Ave/OBP/Steals/HR/RBI/R – W/K/S/H/ERA/WHIP) by 13 points. In the posting of my lineup, is there any holes or potential holes that you see? I got two teams with 106 points breathing down my neck so any advice is appreciated.

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C - Buck
C - D. Miller
1B - Howard
2B - Biggio
3B - M. Cabrera
SS - J. Reyes
MI - Crosby
CI - Atkins
OF - Crawford
OF - Gibbons
OF - Gomes
U - Rios
U - Zimmerman
U - Milledge
SP - Beckett
SP - C. Young
SP - Webb
SP - Myers
SP - O'Connor
RP - F. Rodriguez
RP - Papalbon
RP - Soriano
RP - Shields

OF - Nady (DL)
C - Doumit (DL)
SP - Harden (DL)
SS - Barmes
RP - F. Cordero
RP - L. Vizcaino
Minor - S. Drew