(1) Fan initiates with a friendly approach
I'm pretty sure @JerryBlevins_13 is behind me at the theater in Chinatown. True or not true Jerry?— Tim Prendergast (@CellarmanDC) October 11, 2014
(2) Athlete reciprocates with an honest reply
@CellarmanDC true— Jerry Blevins (@JerryBlevins_13) October 12, 2014
(3) Fan offers a thought, respects personal space
@JerryBlevins_13 Thought so. Wanted to shake your hand and say thanks for a great season. Didn't want to bother you on a date.— Tim Prendergast (@CellarmanDC) October 12, 2014
(4) Athlete acknowledges appreciation, repays gesture with a compliment
@CellarmanDC I appreciate that. I wanted to shake your hand and say congrats on a wonderful mustache. Thought it would've been too weird— Jerry Blevins (@JerryBlevins_13) October 12, 2014
That's it! See, it's OK and not at all hard to be normal and kind to each other online.
(Postscript) He was right about the mustache.