He last pitched for the big league team July 11 and had spent the previous two weeks on a minor league rehab assignment.
The 40-year-old was signed to a one-year, $4 million contract this winter after an injury-riddled stint with the team last year and was once considered a candidate to close games for the Rangers earlier this season before it became clear that he’d lost a step. The Rangers are on the hook for what’s left of his contract unless another team claims him off waivers.