As far as a blog post goes, this one is a dud. ..unless your looking for a bit of a directory. Here are a few of the links I refer to when I need a refresher on stretching.

OSMI - The Importance of Stretching
Men’s Health - A Beginner’s Guide
Healthline - Common Beliefs: Myths & Facts
Medical News Today - Daily stretching routines: For beginners, runners, and more
NIH - The Effects of Stretching on Strength Performance
Self - 21 Stretches for Better Flexibility
Mayo Clinic - Focus On Flexibility
Healthline - 9 Benefits of Stretching
Harvard Health - The Importance of Stretching
NCBI - Stretching Before and After: Effect on Muscle Soreness and Injury Risk
Open Fit - Stretching for Beginners: 15 of The Best Exercises
American Academy of Orthopedic Surgeons - Flexibility Exercises for Young Athletes
NY Times - To Stretch or Not to Stretch? Athletes Put It to the Test
The Woodlands Sports Medicine Centre - Top 10 Daily Stretches for Athletes