Santiago was traded to the Twins on Monday for Ricky Nolasco and Alex Meyer, Alden Gonzalez of MLB.com reports.
Santiago has performed better of late, but his high walk rate (11 percent) and HR/9 (1.5/9) make him a volatile option at best. Still, he figures to slide straight into the Twins' rotation after notching a 4.25 ERA over 22 starts with the Angels this season.