It's funny that you bash Kevin Walker yet defend Neal Cotts. Have you taken a look at their respective career peripherals in the majors?
Neal Cotts (career stats)
87.2 IP
5.75 ERA
.245 BAA
.356 OBP
.427 SLG
.782 OPS
7.91 K/9
1.43 K/BB
Kevin Walker (career stats)
95.0 IP
4.45 ERA
.213 BAA
.334 OBP
.343 SLG
.673 OPS
8.53 K/9
1.55 K/BB
Interesting, huh? In a very close number of innings pitched in the majors to date, Kevin Walker has better peripherals than Neal Cotts in almost every single stat. Yet you bash Walker and defend Cotts? :headshake