PHOENIX -- Over the weekend, Tigers reliever Daniel Schlereth didn't get the chance to show his former team what it is missing.

The 25-year-old left-handed reliever didn't see action against the D-backs and didn't care to.

"Not really," he said on Saturday about wanting to pitch against the team that drafted and then traded him. "It's just another team. I honestly don't even remember playing with them that much. They traded me before I got my feet wet."

Schlereth was traded from Arizona to Detroit in December 2009, as part of the three-team deal that sent Max Scherzer to the Tigers, with the D-backs getting Edwin Jackson from Detroit and Ian Kennedy from the Yankees in return.

He has a 2.96 ERA in 28 games this season and recorded a sub-3.00 ERA last season, both years serving as primarily a left-handed specialist.

"I feel like I'm in a little bit better of a situation with the Tigers," he said. "I'm always thankful for the team that picked me, but [the D-backs] traded me within a year, so I didn't really get the chance to do anything for them."

The University of Arizona product did say, however, that he thought the hometown D-backs pulled the trigger on a trade too soon.

"I think they gave up on me rather fast," he said. "But that's alright. I'm really happy here."

Gibson mindful of not wearing out Putz

PHOENIX -- D-backs closer J.J. Putz didn't pitch on Sunday against the Tigers.

But manager Kirk Gibson insists that Putz isn't injured and that he's trying to save the closer's bullets for later in the season.

"He's not hurt," Gibson said. "It was my decision."

Putz picked up saves on three consecutive days last week, closing out the Royals twice in Kansas City and finishing off the Tigers on Friday night. Aaron Heilman and David Hernandez each pitched Sunday as the D-backs allowed seven runs in the eighth inning of an 8-3 loss to the Tigers.

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"We need to develop a bullpen," Gibson said. "It can't just be J.J. and David [Hernandez] all the time. It won't happen at this point in the season."

Putz's 21 saves are tied for fourth in the National League.

"I know him, I listened to him and I watched him throw," Gibson said. "It's important if everybody can play in August and September."

Collmenter working on better pitch location

PHOENIX -- Josh Collmenter knows the scouting report on himself.

"He throws a lot of strikes," Collmenter said. "And that's always something I've tried to do."

But controlling the strike zone isn't what the D-backs' rookie starting pitcher is worried about. Commanding it is.

"Primarily location," he said. "It was better against the White Sox and it was alright against Detroit, but especially in key situations, I need to locate better."

He noted Tigers catcher Alex Avila's pair of run-scoring hits on Saturday as an example.

"I made a couple of pitches to him that needed to be better," Collmenter said. "And if they were, it's a different ballgame."

Collmenter hasn't walked more than three batters in any of his nine starts this year, has only walked three once and has walked fewer than two in five starts.

But he's found that it's as much about where he throws the ball around the strike zone as when.

"A lot of guys seem to be pretty aggressive early," Collmenter said. "Just seeing that is important for me to be able to throw all of my off-speed pitches for strikes.

"Then you can throw something other than the fastball first pitch and other times you'll get them to take because they're looking for that first fastball."