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3/2/2014 6:12 P.M. ET

Miley keeps it simple in strong first start

SCOTTSDALE, Ariz. -- The first start of the spring for D-backs left-hander Wade Miley went pretty much according to plan.

Stretched out to four innings against the Giants, Miley allowed a run on five hits with a walk and a strikeout while throwing 61 pitches.

"I felt good today," Miley said after the D-backs dropped a 5-3 decision Sunday. "I still have some things to work on, but everything went well."

Miley suffered a sophomore slump in 2013 after going 16-11 and nearly winning the National League Rookie of the Year Award in '12. Miley lost the award by only seven points to Bryce Harper of the Nationals, 112-105.

But last year, Miley slumped to 10-10 with a 3.55 ERA in 33 starts, although he had a much better second half of the season, with four of the 10 wins and a 2.93 ERA, as opposed to a 4.01 ERA in the first half.

"Wade is an example of a guy who takes the mound and starts overthinking a little bit," D-backs manager Kirk Gibson said. "He lost who Wade was and he struggled. Wade's a guy who gets the ball, gets on the mound, trusts his catcher and throws the ball. Like everything about this level of the game, it gets pretty specialized. There could be too much information. Last year, Wade got caught up in things that weren't really applicable to him. That slowed him down a little bit until he got back on track."

This spring, Miley said he's going back to the basics: Get the ball and throw the ball.

"That's my mentality," Miley said. "I'm not going to change speeds and take something off whatever I'm throwing. My mentality it to let it rip and see what happens."

D-backs eager to see Bradley's debut vs. Rockies

SCOTTSDALE, Ariz. -- After missing his start because of a rainout of Saturday's split-squad nightcap against the Cubs at Salt River Fields, the first outing of the spring for heralded D-backs right-hander Archie Bradley has been rescheduled for Monday night's second game of a day-night doubleheader, D-backs manager Kirk Gibson said Sunday.

The 7:10 p.m. MT start at the spring home of the D-backs is against a split squad of Rockies.

The D-backs have been eager to see Bradley, who was 14-5 with a 1.84 ERA and 162 strikeouts last season at two Minor League levels, including 12-5 with a 1.97 ERA and 119 strikeouts in 21 starts for Double-A Mobile.

"We'd like to see everybody, but because of the weather we may not see everybody," Gibson said. "We watched a lot of their [simulated] games, watched their bullpens quite a bit. We have priorities, for sure. We want to make sure some of those guys get into the game."

Bradley was a possibility to come out of camp in the big league starting rotation. But that started to dim when the D-backs signed free agent Bronson Arroyo to a two-year deal, guaranteeing him $23.5 million. Barring injury, the D-backs rotation should be Patrick Corbin, Brendon McCarthy, Wade Miley, Trevor Cahill and Arroyo.

Right now, Gibson said he'd just like to see the 21-year-old Bradley, Arizona's first-round pick (seventh overall) in the 2011 First-Year Player Draft, throw his fastball and have a positive outing.

"I just want him to go out there and pitch," Gibson said. "He's been working on everything. The one thing to worry about is him getting too much on his mind. He's a natural power guy. He knows he's got to command the zone. He knows he's got to throw strikes. He's got something most guys don't have [a hard fastball] and we'd like to see him use it. I don't want him to go out there and think he's some finesse pitcher right now."

Barry M. Bloom is a national reporter for MLB.com and writes an MLBlog, Boomskie on Baseball. Follow @boomskie on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.