The Diamondbacks are the only NL West team that has not shown interest in Marlins right-hander Ricky Nolasco.
The D-Backs are not interested in "renting" a potential free agent -- and if they acquire a starting pitcher, they will want him to be a significant upgrade over their major-league-ready prospects, sources say.
Two starters, in particular, interest the D-Backs, according to sources. One, Brewers right-hander Yovani Gallardo, is available. The other, Cubs right-hander Jeff Samardzija, only could be had for an "overwhelming" package -- and the two clubs have not engaged in discussions, sources say.
The Diamondbacks entered Thursday ranked 11th in the NL with a 4.17 rotation ERA. Their best pitcher, left-hander Patrick Corbin, is in his first full season. The addition of a top-of-the-rotation starter would significantly enhance the team's chances in the hotly contested NL West.
The D-Backs, though, aren't prepared to move on any pitcher just yet.
They are waiting to ...