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Rotation mainly a mystery as spring camp nears

Collmenter, Hellickson penciled in, but many candidates remain

PHOENIX -- In this installment of our Spring Training preview series we look at the projected lineup and starting rotation, which in the case of the D-backs is nearly impossible.

With a new front office and manager in place and a roster that has been significantly revamped since last season's disappointing 64-98 finish, there are very few sure things with the D-backs.

That is especially true in the starting rotation beyond Josh Collmenter and Jeremy Hellickson. Chase Anderson, Robbie Ray, Rubby De La Rosa, Allen Watson, Andrew Chafin, Trevor Cahill, Vidal Nuno, Daniel Hudson, Randall Delgado, Yoan Lopez and Archie Bradley are among those who have a shot to grab one of the final three starting spots.

The lineup seems similarly in flux. A lot will depend on whether Yasmany Tomas can play third base and if he is ready to start the year in the big leagues. Another question is the health of shortstop Chris Owings' left shoulder, and depending on how Aaron Hill looks this spring, he could find himself starting at second or third, or not even in the lineup.

Video: D-backs' farm system filled with pitching depth

With all that in mind, here's a best attempt at what things could look like come April 6 when the Giants come to Chase Field for Opening Day.

2014 record
64-98, 5th in the NL West

Projected batting order
1. CF A.J. Pollock:
.302 BA, .353 OBP, .498 SLG, 7 HR, 24 RBI in 2014
2. SS Chris Owings:
.261 BA, .300 OBP, .406 SLG, 6 HR, 26 RBI in 2014
3. 1B Paul Goldschmidt:
.300 BA, .396 OBP, .542 SLG, 19 HR, 69 RBI in 2014
4. RF Mark Trumbo:
.235 BA, .293 OBP, .415 SLG, 14 HR, 61 RBI in 2014
5. LF David Peralta:
.286 BA, .320 OBP, .450 SLG, 8 HR, 36 RBI in 2014
6. 3B Yasmany Tomas:
Played in Cuba in 2014
7. 2B Aaron Hill:
.244 BA, .287 OBP, .367 SLG, 10 HR, 60 RBI in 2014
8. C Tuffy Gosewisch:
.225 BA, .242 OBP, .310 SLG, 1 HR, 7 RBI in 2014

Projected rotation
1. Josh Collmenter, 11-9, 3.46 ERA in 2014
2. Jeremy Hellickson, 1-5, 4.52 ERA in 2014
3. TBD
4. TBD
5. TBD

Projected bullpen
Closer: Addison Reed, 32/38 saves, 4.25 ERA in 2014
RH setup man: Brad Ziegler, 3.49 ERA in 2014
LH setup man: Oliver Perez, 2.91 ERA in 2014

Steve Gilbert is a reporter for Read his blog, Inside the D-backs, and follow him on Twitter @SteveGilbertMLB.
Read More: Arizona Diamondbacks, Tuffy Gosewisch, David Peralta, Addison Reed, Chris Owings, Jeremy Hellickson, Josh Collmenter, Aaron Hill, Yasmany Tomas, Paul Goldschmidt