Me, I thought it was going to be about hexadecimal and binary.
First Base: friendship
Second Base: sex
Third Base: keys to home
Fourth Base: PIN
Brian Johnston, and AFAIK it is a true story. I don’t say I’m an infallible authority, but if you wanted to calibrate your geekometer in “cricket” mode, you’d probably point it at me. 
Although we have rounders in this country 
, we don’t have a “bases” system (I’ve heard the American one summarised as: “frenching; feeling; fingering; fucking”), though we have plenty of euphemisms for the various activities. These include “tops and fingers” in which the gentleman is allowed manual access to the lady’s secondary and primary sexual characteristics, and “going all the way”, which was a popular nudge-nudge, wink-wink expression a generation ago.
**AuGGGHHH!!! **
Look, you’d all be doing me a big favor if you’d pretend you just never saw that post at all, OK?
At least I got the first letters right.
I’ve always enjoyed the leisurely mid summer double header myself. 
A similar baseball {urban legend?} commentator supposedly said, on viewing a young couple kissing in the stands, “How sweet. He’s kissing her on the strikes and she’s kissing him on the balls.”.
You left out “Base on balls”.
But it is
No home runs - no bases
Si
And coming round the wicket to bowl a maiden over has such a ring to it.
Si
Either that or “All your base”…
Never mind.