Baseball America's Jim Callis discusses the Cubs' eight rookie starting pitchers this year in his latest "Ask BA" column. (Hat tip: Chicago Cubs Minor League Baseball.) He says Rich Hill (5-2, 3.05 ERA, 52/19 K/BB ratio, in 59 innings since the All-Star break) is the only "lock" to be in the 2007 starting rotation. Read the rest. Luke Jasenosky and Derek Smart also have praise for Hill.