5:18 PM - Blake Walston (ARI) Diamondbacks optioned Walston to Triple-A Reno on Thursday.

2:52 PM - Blake Walston (ARI) Diamondbacks recalled Walston from Triple-A Reno on Sunday.

5:54 PM - Blake Walston (ARI) Diamondbacks reinstated Walston (elbow) from the 15-day injured list and optioned him to Triple-A Reno on Monday.

5:21 PM - Blake Walston (ARI) (elbow) struck out five and allowed two hits and no walks over 3.2 innings in a rehab start for Triple-A Reno on Sunday.

7:27 PM - Blake Walston (ARI) (elbow) threw live batting practice Friday, Jesse Friedman of GoPHNX.com reports.

6:24 PM - Blake Walston (ARI) (elbow) isn't expected to return from the 15-day injured list until sometime in August, Theo Mackie of The Arizona Republic reports.

6:59 PM - Blake Walston (ARI) Weiner of ArizonaSports.comWalston was placed on the 15-day injured list due to left elbow inflammation, Weiner reports.

9:55 AM - Blake Walston (ARI) did not factor into the decision in Tuesday's win over the Giants, allowing two runs on two hits and four walks while striking out two over 4.1 innings.

11:48 AM - Blake Walston (ARI) is scheduled to start Tuesday's game against the Giants at Chase Field.

11:47 AM - Blake Walston (ARI) is slated to start Saturday's game against the Mets at Citi Field.

9:19 AM - Blake Walston (ARI) did not factor into the decision in Sunday's loss to the Marlins. He tossed 4.2 scoreless innings while allowing just four hits and a walk and striking out four.

3:20 PM - Blake Walston (ARI) Diamondbacks recalled Walston from Triple-A Reno ahead of his scheduled start Sunday against the Marlins in Arizona.

9:55 AM - Blake Walston (ARI) manager Torey Lovullo confirmed that Walston will be called up from Triple-A Reno to start Sunday's game against the Marlins, Alex Weiner of ArizonaSports.com reports.

6:40 PM - Blake Walston (ARI) has a locker in the Diamondbacks' clubhouse, Alex Weiner of ArizonaSports.com reports.

7:41 AM - Blake Walston (ARI) allowed two runs on three hits and four walks while striking out five over 3.2 innings in Wednesday's 8-0 loss to the Dodgers.

5:20 PM - Blake Walston (ARI) has been recalled from Triple-A Reno on Wednesday.

12:18 PM - Blake Walston (ARI) Diamondbacks optioned Walston to Triple-A Reno on Monday.

6:55 PM - Blake Walston (ARI) Diamondbacks added Walston to their 40-man roster Tuesday.