Padres place RHP Yu Darvish (neck) on 15-day IL

(Photo credit: Orlando Ramirez-USA TODAY Sports)
San Diego Padres ace Yu Darvish landed on the 15-day injured list Wednesday with neck tightness.

The 37-year-old right-hander's designation is retroactive to Monday.

The Padres' Opening Day starter is 0-1 with a 4.18 ERA through five starts this season.

Darvish last appeared on Sunday, allowing three runs on four hits in five innings in a no-decision against the rival Lo