Diamondbacks: Predicting Opening Day Lineup

ByBrendan Kennealy|Apr 1, 2016, 8:38 PM EDT

Mar 14, 2016; Salt River Pima-Maricopa, AZ, USA; Arizona Diamondbacks starting pitcher Zack Greinke (21) throws the ball in the first inning during a spring training game against the Seattle Mariners at Salt River Fields at Talking Stick. Mandatory Credit: Rick Scuteri-USA TODAY Sports

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The Battery:

Feb 19, 2016; Scottsdale, AZ, USA; Arizona Diamondbacks pitcher Zack Greinke (21) talks to catcher Welington Castillo (7) in the bullpen during spring training camp at Salt River Fields. Mandatory Credit: Rick Scuteri-USA TODAY Sports

Pitcher:Zack Grienke

Grienke will be looked upon to be a workhorse for the Diamondbacks this season afterJosh Collmenterwas viewed upon as the “ace” of the pitching staff last season. Greinke made four starts in Spring Training and posted a 1.88 ERA over 14.1 innings. He went 19-3 with a 1.66 ERA for the Los Angeles Dodgers last season before jumping ship to the Diamondbacks.

Catcher:Wellington Castillo

Castillo came to the Diamondbacks last season in theMark Trumbotrade with the Seattle Mariners. Castillo played tremendous baseball with the Diamondbacks in 2015 as he appeared in 80 games for Arizona as he hit 17 home runs and had 50 RBI. His slash line of .255/.317/.496 was a significant improvement over the numbers ofTuffy GosewischandJarrod Saltalamacchia.

Next: Infielders

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