Pal, I think you are significantly undervaluing Vazquez based on 1 month's time. Now granted, it was an historically bad month, but I think you could see his value, especially due to the fact he is pitching in the AL East. Here are his splits...
1st 5 starts
1-3 23IP 32H 25ER 8HR 15BB 20K 9.78ERA 1.3K/BB 7.8K/9IP 2.09WHIP
Last 7 starts
5-3 47IP 28H 14ER 5HR 15BB 42K 2.69ERA 2.8K/BB 8K/9IP 0.91WHIP
And the big thing to remember is that after his fifth start, they skipped him and tweaked his mechanics. Now, I dont expect him to keep up this run, but I do expect him to avoid the horrid string he started with. Meaning, I think he ends up with an ERA in the mid to low 4s, and is on pace for 200IP and 200K. That is worth a LOT