Moving right along, here's the doubleheader roundup:

Code:
 C: Everyone has Javy, except SC, who has Varitek
1B: Everyone has Palmiero, except PL, who has LaRoche, and CC has Olerud
2B: Everyone has Boone, except DB, who has Roberts
3B: Everyone has Mora, except JG, CB, & SC, who have Newhan
SS: Everyone has Tejeda
LF: Everyone has Ibanez, except LD, who has Ledee, and CC, who has Bigbe
CF: Everyone has Winn, except CB, who has Wells, FS, who has DeJesus, and SC, who has Crisp
RF: Everyone has Ichiro
DH: Everyone has Hairston, except DB, who has Lamb, and JG & CB, who have Jacobsen

"Difficult....not impossible"