Last night for the Frisco RoughRiders, the Double-A affiliate of the Texas Rangers, 23-year-old right-handed starting pitcher Justin Grimm earned another win. He is 6-1 with a 1.60 ERA on the season. In defeating the Midland Rockhounds, Grimm pitched six innings, giving up one run on three hits, walking one and striking out five. He’s one of a bunch of names you should know about that are not far from Arlington.

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Frisco RoughRiders pitching coach Jeff Andrews talks about the Rangers' Double-A mound prospects. Listen

“When you kind of look at the body of work for Justin, it’s been a monumental change in his delivery. He’s made great adjustments,” Frisco pitching coach Jeff Andrews said of Grimm, who won a total of seven games at two levels last year. “The guys in [High-A] Myrtle Beach and [Low-A] Hickory have done marvelous things with allowing him to get straightened out and setting him on the path.”

Andrews was a guest on Rangers Magazine (ESPN Dallas 103.3 FM). Not only did he talk about Grimm, but we also discussed 6-0 Barret Loux and Fabio Castillo, who has been invited to major league spring training twice, and we closed the individual conversation with Yohan Yan, who has eight saves.

One aspect of pitching that you always hear about with those at the major league level is the added confidence they have on the mound because of the fielding strength behind them. At Frisco, the pitchers have yet to consistently realize that third baseman Mike Olt and shortstop Jurickson Profar are among the strong defenders behind them.

“You know that’s one of the things that these guys come in and kind of get mad at themselves and they’re going, ‘Why don’t I trust these guys out there?'" Andrews said.

Andrews pointed out the speed in the outfield and infield strength on the right side, too.

“It is a very good defense," he said. "It really is. These guys are learning to trust that fact and not be so afraid of contact.”

Be sure to listen to the podcast.

Bryan Dolgin is the host of Rangers Magazine and the radio pre and postgame shows of the Texas Rangers on the Texas Rangers ESPN Radio Network. Follow him on Twitter @RangersRadioBD.