Kirk Gibson doesn’t attend son’s high school graduation because ‘you’re supposed to graduate’

Mentioned this in a tweet on Thursday night and in Friday morning’s Juice, but Kirk Gibson may have finally reached the point of absolute self-caricature.

Asked why he didn’t return to Michigan on Thursday night for his son’s high school graduation, the Arizona Diamondbacks manager gave the sort of response you’d totally expect from a skipper known for being so gruff and no nonsense that he banned all toys and cellphones from the team’s clubhouse last season.

(Opening packs of Justin Bieber trading cards, though, is apparently exempt.)

From the Associated Press:

‘You’re supposed to graduate,” Gibson …