What happened to diving headers?

Hi,
Watching CSKA v Red Star and RSB just had a great chance to get a goal and probably win the tie.
All the lad needed to do was a diving header onto a great ball in, yet he chose to try to get a foot on it and missed.
Got me thinking, you hardly see them anymore, but why?
Please help. Thanks!

I didn't find the right solution from the Internet.

References
http://forums.bluemoon-mcfc.co.uk
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