The Arizona Diamondbacks are in the midst of a tough stretch — there's no way around that harsh reality. The D-backs have lost five of their last seven games, and are in danger of losing their third straight series on Saturday at Wrigley Field after a failed comeback in Friday's game . Right-hander Ryne Nelson, who has been knocked around in back-to-back starts prior, is the man tasked with preventing such a series loss. And he can ill-afford to not put his best foot forward against the Chicago Cubs. Diamondbacks' Ryne Nelson desperately needs bounce-back start Apr 19, 2026; Phoenix, Arizona, USA; Arizona Diamondbacks pitcher Ryne Nelson in the first inning against the Toronto Blue Jays at Chase Field. Mandatory Credit: Mark J. Rebilas-Imagn Images | Mark J. Rebilas-Imagn Images Nelson's numbers are not a pretty sight. The D-backs' clear-cut top starter from the 2025 season has not looked like his effective self thus far in the 2026 campaign. In fact, he's struggling at an immense rate.…