Yilber Diaz is tied to the latest Ryne Nelson update: the Arizona Diamondbacks right-hander was placed on the 15-day IL earlier Friday with a strained right elbow and said he will be shut down from throwing for about four weeks before a reevaluation. Nelson said the injury is not the worst case, but it does remove a starter from the rotation for at least several weeks.
Ryne Nelson’s Four-Week Pause
Nelson described the problem as a flexor strain and minor UCL sprain, not a full-blown UCL tear. He framed that distinction plainly: "It's not the news that you want to hear," and added, "It's also not worst case, so there's a little bit of a bright side to it. Just going to do whatever I can to get back healthy and get back out there and help this team win."
He also said, "I'm just going to shut it down for a little bit, try and rehab and see where it's at in a few weeks." The shutdown is the practical part of the diagnosis; no throwing for about four weeks means his return path begins with rest, then a new look at how the elbow responds.
Chase Field Inning Three
The issue surfaced during Nelson's most recent start against the Los Angeles Angels at Chase Field, when he felt something in the third inning. He kept going anyway, pitching seven innings of two-run baseball and getting the win, a line that explains why the injury could have stayed hidden until after the game.
Nelson said, "As a pitcher, you're going to feel stuff pretty consistently.You're going to have stuff pop up, and you're like, 'ah, is it that serious? Is it something I can work through?'... next pitch was 98 on the fastball, so it felt like... it was something I could keep going." That makes the diagnosis harder to read in the moment, because the outing itself still looked like a normal start.
IL and Reevaluation
The injury type matters because Nelson said this timeline is still up in the air, even though the rough range for this kind of issue often runs 4-12 weeks. The four-week shutdown is the first checkpoint, not the finish line, and the next step is a reevaluation that will decide whether his season stays intact or slides into a longer absence.
Nelson put it bluntly after the diagnosis: "It's not a full-blown UCL tear, so I think that that would be the worst-case scenario," and then he returned to the one sentence that matters most for the Diamondbacks' rotation: "I think it's still kind of up in the air. I would say it's shut down for a few weeks, four weeks, and then kind of reevaluate,"






