hang up (one's) boots

To retire from playing a sport. After suffering so many injuries on the field, I think it's time for him to hang up his boots.

Name	Pronounced	Usage
Anstiss	['ænstis]
Andreja (1)	-	Slovene, Croatian
Hyeon	hyun	Korean
Omri	-	Biblical, Hebrew, Biblical Hebrew
Mahthildis	-	Ancient Germanic
Aoide	-	Greek Mythology