Another childhood hero gone. 
https://www.espn.com/mlb/story/_/id/30100016/baseball-hall-famer-joe-morgan-dies-77
https://www.espn.com/mlb/story/_/id/30100016/baseball-hall-famer-joe-morgan-dies-77
Do you remember what he did that was unusual when he was batting?
Yep -- flexed his arm like a chicken wing!
Yep, he would flap it several times, he said he used it has timing/trigger to get his motion started.
Back in the day we all tried to imitate our heroes. Mine was Yaz, no one could do Morgan.