If the guy really needs a closer, then no, it should not be vetoed. People have certain needs, and sometimes may have to deal away a good player to get one. But, if the dude has three good closers, then yes, it needs to be vetoed.
14 Team League in Yahoo, roto style.
SP- CC,Shields, Lester, Lincecum,Weaver, Hanson
RP-Axford, Soriano, Hanrahan, League