I think this is a big part of the Giants problem. Javy Lopez and Jeremy Affeldt retired, and the Giants cut the cord with Sergio Romo and Santiago Castilla. Here is what the new guys have accomplished (excluding those who have less than 10 innings work). All numbers from this morning's Chronicle.
Gearrin 33 IP; 47 hits+BB; 26 K
Strickland 27 IP; 38 hits+BB; 28 K
Kontos 36 IP; 45 hits+BB; 40 K
Melancon 19 IP; 28 hits+BB; 17 K
Osich 21 IP; 31 hits+BB; 24 K
Law 30 IP; 51 hits+BB; 27 K
Morris 21 IP; 35 hits+BB; 15 K
Okert 14 IP; 23 hits+BB; 8 K
Strike out "stuff", sure, but look at those runners put on base.