Through 15 rounds...HELP?!?!

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14 teams, non-keeper, fantasy point scoring...this is my team so far. My pitching is strong, but my hitting is obviously below average. Can you tell me how you think I've done to this point?

SP: Johnson, Halladay, Miller, Garcia, Buehrle, Santana (?)
RP: Koch, Jimenez, Williamson
C: Marrero
1B: ?
2B: O. Hudson
3B: A. Ramirez
SS: Rollins
OF: C. Jones, Abreu

I went heavy on starting pitching thinking that if I really run into a problem getting hitters, I can always move a starter for a big bat, possibly a 1B. Any thoughts/advice would be appreciated. Thanks!