It’s a tough blow for the Twins’ rotation, which has been among baseball’s best this season. López has been a big reason why, with a 2.82 earned-run average across his 11 starts. To fill his place in the rotation, the Twins called up David Festa, who started on Thursday and gave up eight runs in 3⅔ innings against the Athletics.

Minnesota Twins starting pitcher Pablo Lopez was diagnosed with a Grade 2 right shoulder strain and will miss 8 to 12 weeks, the team announced.

Minnesota Twins right-hander Pablo López is expected to be sidelined 8 to 12 weeks because of a strained shoulder. The Twins said that López has a Grade 2 strain of the teres major muscle. Lopez was the winning pitcher in a 10-3 victory over the Athletics,