6:41 AM - Ryne Nelson (ARI) will begin the season in the rotation, Steve Gilbert of MLB.com reports.

9:38 AM - Ryne Nelson (ARI) allowed one run on five hits and two walks while striking out nine over five innings in Friday's spring start against the Mariners.

10:26 AM - Ryne Nelson (ARI) allowed one run on four hits and three walks while striking out three over 3.2 innings in Saturday's spring start against the Rangers.

6:17 AM - Ryne Nelson (ARI) allowed one run on four hits and one walk while striking out two over 3.2 innings in Monday's spring start against the Athletics.

8:44 AM - Ryne Nelson (ARI) worked on his slider over the offseason, and it's looked sharp early in camp, Steve Gilbert of MLB.com reports.

10:26 AM - Ryne Nelson (ARI) allowed two hits and struck out five over two scoreless innings in Saturday's spring start against the Rockies.

8:07 AM - Ryne Nelson (ARI) will take the mound for Saturday's spring start against the Rockies, Steve Gilbert of MLB.com reports.

8:32 AM - Ryne Nelson (ARI) is expected to compete with Tommy Henry for the final spot in the rotation, Steve Gilbert of MLB.com reports.

9:31 AM - Ryne Nelson (ARI) (7-8) took the loss Tuesday, coughing up six runs on seven hits and two walks over 4.1 innings as the Diamondbacks were downed 7-4 by the Mets. He struck out three.

1:44 PM - Ryne Nelson (ARI) is listed as the Diamondbacks' scheduled starter for Tuesday's game against the Mets at Citi Field.

3:20 AM - Ryne Nelson (ARI) (7-7) earned the win over the Cubs on Thursday, allowing one run on two hits and two walks while striking out three batters over 5.2 innings.

5:22 PM - Ryne Nelson (ARI) was recalled from Triple-A Reno ahead of his scheduled start Thursday versus the Cubs.

6:47 AM - Ryne Nelson (ARI) has worked to improve his slider during his time in the minors, Nick Piecoro of The Arizona Republic reports.

12:55 PM - Ryne Nelson (ARI) was optioned to Triple-A Reno on Sunday.

8:13 AM - Ryne Nelson (ARI) (6-7) yielded six runs on seven hits and a walk over three innings Friday, striking out two and taking a loss against the Padres.

3:25 AM - Ryne Nelson (ARI) (6-5) earned the win over Atlanta on Wednesday, allowing two runs on three hits and one walk while striking out five batters over seven innings.

9:36 AM - Ryne Nelson (ARI) didn't factor into the decision in Friday's 7-2 loss to the Blue Jays, giving up two runs (one earned) on nine hits over 5.2 innings. He struck out three without walking a batter.

7:22 PM - Ryne Nelson (ARI) Torey Lovullo did not commit to Nelson making his next scheduled start, Theo Mackie of The Arizona Republic reports.

7:18 PM - Ryne Nelson (ARI) did not factor into the decision Wednesday, as he did not surrender a run while allowing one hit and four walks over 5.1 innings in a 5-3 victory over the Athletics. He struck out six.

10:08 AM - Ryne Nelson (ARI) did not factor into the decision Friday, allowing four runs on seven hits and one walk over 4.2 innings against San Francisco. He struck out four.

7:13 AM - Ryne Nelson (ARI) (1-1) was handed his first loss of the season Tuesday against the Royals, allowing four runs on 11 hits while striking out three over five innings.

9:41 AM - Ryne Nelson (ARI) did not factor into the decision Saturday, allowing one run on five hits and zero walks over six innings against the Marlins. He struck out four.

10:09 AM - Ryne Nelson (ARI) did not factor into the decision Monday, allowing three runs on six hits and three walks over five innings in a 5-4 loss against San Diego. He struck out three.

9:19 AM - Ryne Nelson (ARI) allowed one run on four hits while striking out five over 5.2 innings in Tuesday's spring start against Cleveland.

12:58 PM - Ryne Nelson (ARI) was named the Diamondbacks' No. 5 starter Sunday, Nick Piecoro of The Arizona Republic reports.

9:01 AM - Ryne Nelson (ARI) allowed three runs on four hits and two walks while striking out three over 4.2 innings in Thursday's split-squad start against the Cubs.

9:49 AM - Ryne Nelson (ARI) allowed one run on four hits and one walk while striking out six over 4.1 innings in Friday's spring start against Colorado.

7:49 AM - Ryne Nelson (ARI) allowed one run on four hits and one walk while striking out two over 2.2 relief innings during Sunday's spring game against Colorado.

7:21 AM - Ryne Nelson (ARI) allowed four runs on three hits and one walk while striking out six over 2.2 innings in a "B" game against the Rangers on Tuesday, Theo Mackie of the Arizona Republic reports.

8:10 AM - Ryne Nelson (ARI) allowed three runs on four hits and two walks while striking one over 1.2 innings in Thursday's spring game against the Dodgers.

9:45 AM - Ryne Nelson (ARI) allowed four runs on four hits and two walks while striking out one over one-plus innings in Saturday's spring game against Colorado. "I think the fastball felt good, fastball command felt good," told Nick Piecoro of the Arizona Republic. "I threw some offspeed pitches I really liked, [but] I think there's still consistency with [offspeed pitches] that can be better."

4:35 PM - Ryne Nelson (ARI) (shoulder) will start the Diamondbacks' Cactus League home opener Saturday against the Rockies, Theo Mackie of the Arizona Republic reports.

12:02 PM - Ryne Nelson (ARI) (shoulder) is in the mix for the No. 5 starter job, Nick Piecoro of the Arizona Republic reports.