This team never put their head between their knees

This phrase stands on its own, describing what one might do if one feels faint, but in context, it is a nice malaphor.  The speaker is Tom Seaver, discussing the 69 Mets team and how they came back from adversity and never quit.  Pretty sure he was mixing “not putting your tail between your legs” and “not hanging your head”, both expressions meaning not feeling ashamed or embarrassed.  “keep your head up” (feeling calm in the face of adversity) also seems in play here. Thanks to Steve Hubbard who heard this on the MLB Network regarding Cinderella teams.