Among the players he's watching are right-hander Casey Coleman, who has a 2.77 ERA in his past two starts, giving up four earned runs on 11 hits over 13 innings. He's 4-2 with a 3.91 ERA in 11 starts at Triple-A Iowa.
"He's pitching better," Quade said of Coleman, who has already been called up to the big leagues twice to fill in because of injuries. "The people in Iowa who are watching him and his progress, stuff-wise, command-wise, they have a good feel for that.
"September is coming. If he's making progress and doing a good job, I expect to see him and expect to see him pitch some. I'll let those guys keep us posted on what they think. His last few outings have been good."
Coleman was 2-4 with a 7.23 ERA in 11 games, including nine starts, with the Cubs.
One player Quade would like to see is first baseman Bryan LaHair, who is batting .332 with 31 doubles, 30 homers and 86 RBIs at Iowa.
"I look at a guy like Bryan LaHair -- what a year he's having," Quade said. "He's hit 30 home runs in Triple-A, and I'd expect to see him up here and take a look at him. He's been doing a great job at Triple-A for years."
Quade knows people are eager to see prospects like outfielder Brett Jackson, the Cubs' No. 1 pick in 2009, and pitcher Trey McNutt. They most likely will not be added.
"You can talk about the Jacksons and some of the other people we're excited about, some of the younger players, but I'd like to see guys here who are ready to be here and ready to be taking a serious look at," Quade said. "I think by the end of the season at both Double-A and Triple-A, we'll have a better idea."