Phrases with «to go to bat for someone»

The service manager really went to bat for us. (humblemechanic.com)
I am worried this dealer won't go to bat for me since I have not taken it there for services. (humblemechanic.com)
They are the most resilient, faithful, smart dogs that I have ever encountered, and I will always go to bat for them. (tailsinc.com)
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