The Red Sox signed Sandoval (elbow) to a two-year, $18.25 million contract Friday, Jeff Passan of ESPN.com reports.

Sandoval (elbow) underwent successful surgery to repair the UCL in his left elbow Wednesday, Rhett Bollinger of MLB.com reports.

The Angels transferred Sandoval (elbow) to the 60-day injured list Tuesday.

Sandoval told reporters Monday that he has a high-grade flexor tear and a torn UCL in his left elbow, Jeff Fletcher of The Orange County Register reports.

Sandoval was placed on the 15-day injured list Saturday with a left elbow strain.

Sandoval did not factor into the decision in Sunday's win over the Astros, allowing five runs on eight hits and three walks while striking out four over 5.2 innings.

Sandoval did not factor into the decision in Tuesday's win over the Padres, allowing one run on four hits and a walk while striking out seven over six innings.

Sandoval (2-8) was tagged with the loss against the Yankees on Thursday, allowing two runs on two hits and three walks over six innings while striking out seven.

Sandoval (2-5) picked up the win Tuesday against Pittsburgh after throwing seven scoreless innings and striking out seven batters while giving up three hits and a walk.

Sandoval (1-2) took the loss Tuesday, allowing four runs on six hits and three walks over 5.0 innings against Tampa Bay. He struck out six.