Arizona Diamondbacks

Zack Greinke dropped his initial game of the season Saturday in St. Louis, (Jennifer Steward - Getty Images)

Arizona Diamondbacks: Zack Greinke shows vulnerability in defeat

Arizona Diamondbacks: Winning streak hits four, while Robbie Ray gains second win

Arizona Diamondbacks: Quick start could pay dividends

Arizona Diamondbacks: Zack Godley outduels Clayton Kershaw, Jake Lamb lands on DL

GLENDALE, AZ - MARCH 03: Yasmany Tomas

Arizona Diamondbacks: Lovullo: Tomas could be back

Jeff Mathis gets the Gatorade shower after delivering the game-winner in the 15th inning Monday night. (Christian Petersen / Getty Images)

Arizona Diamondbacks: Walker guts out first start, team gains walk-off win

With diminished velocity on his fast ball, will Zack Greinke relying more in secondary pitches? (Norm Hall / Getty Images)

Arizona Diamondbacks: Is Greinke starting a transformation?

GLENDALE, AZ - MARCH 03: Yasmany Tomas

Arizona Diamondbacks place Yasmany Tomas on waivers

Despite a difficult start, lefty Robbie Ray picked up his first win of the season Friday night. (Jennifer Stewart / Getty Image)

Arizona Diamondbacks: Not at his best, Robbie Ray guts out first win of season

Patrick Corbin was effective in gaining his first win of the season on Thursday night. (Christian Petersen / Getty Images)

Arizona Diamondbacks: Patrick Corbin, Jake Lamb key season-opening victory

The Arizona Diamondbacks hope for more celebrations in 2018. (Sarah Sachs / Arizona Diamondbacks / Getty Images)

Arizona Diamondbacks: The season ahead, and prospects for success

Robbie Ray gives credit to Randy Johnson for advice and mentoring. (Denis Poroy / Getty Images)

Arizona Diamondbacks: Robbie Ray inspired by notable source

Zack Greinke turned in his best outing of the spring Monday night. (Andy Cross / The Denver Post via Getty Images)

Arizona Diamondbacks: Zack Greinke regains old form

Lefty Patrick Corbin will be the Arizona Diamondbacks' opening day starter. (Brian Davidson / Getty Images)

Arizona Diamondbacks: Patrick Corbin named opening day starter

SAN FRANCISCO, CA - APRIL 19: The bat wieght, rosin bag and pinetar rag belonging to the Arizona Diamondbacks sits in the dugout prior to the start of the game against San Francisco Giants at AT

Arizona Diamondbacks: Top 10 Rookie-Eligible Prospects for 2018

Zack Greinke faces a critical test on Saturday. (Norm Hall / Getty Images)

Arizona Diamondbacks: For Zack Greinke, a defining moment may come shortly

Steven Souza Jr. will start the season on the DL for the Arizona Diamondbacks. (Norm Hall / Getty Images)

Arizona Diamondbacks: Steven Souza out for two months

Will Zack Greinke stay off the disabled list with an injured groin? (Sarah Sachs / Arizona Diamondbacks / Getty Images)

Arizona Diamondbacks: Zack Greinke, bullpen questions persist

Robbie Ray (l) receives an early exit Tuesday from manager Torey Lovullo of the Arizona Diamondbacks. (Jennifer Stewart / Getty Images

Arizona Diamondbacks: Robbie Ray looked anything but opening day starter

With Zack Greinke sidelined, lefty Robbie Ray could emerge as the Arizona Diamondbacks' opening day pitcher. (Jennifer Stewart / Getty Images)

Arizona Diamondbacks: With Zack Greinke out, Robbie Ray will likely open season

This season, Chris Owings will be asked to play five positions. (Norm Hall / Getty Images)

Arizona Diamondbacks: Chris Owings emerges in a hybrid role

A groin injury could keep Zack Greinke from starting the season for the Arizona Diamondbacks. (Norm Hall / Getty Images)

Arizona Diamondbacks: Zack Greinke questionable for opening day

San Diego manager Andy Green believes Eric Hosmer is a valuable addition in the competitive NL West division. (Bruce Hemmelgarn / Minnesota Twins / Getty Images)

Arizona Diamondbacks: With two weeks to go, NL West notebook

Manager Torey Lovullo says he's more comfortable here in his second season as Arizona manager. (Sarah Sachs / Arizona Diamondbacks / Getty Images)

Arizona Diamondbacks: In his second year, Torey Lovullo says he’s not changed

Lack of fast ball velocity is a concern for Zack Greinke. (Christian Petersen / Getty Images)

Arizona Diamondbacks: Will Zack Greinke be ready for opening day?

Taijuan Walker says the melt-down of last year's playoff game against the Dodgers in the rear-view mirror. (Sean M. Haffey / Getty Images)

Arizona Diamondbacks: Taijuan Walker’s learning from the past

With two innings on Friday, Archie Bradley of the Arizona Diamondbacks was stretched out in a potential role as long reliever. (Norm Hall / Getty Images)

Arizona Diamondbacks: Archie Bradley’s ready for any role

LOS ANGELES, CA - OCTOBER 06: A.J. Pollock

Arizona Diamondbacks 2018 Season Preview