The Nerfracker #5

Baseball player is sorta bad (5)

Downright Tricky #2

Return unopened letter? (5)

Downright Tricky #1

A puzzle where the difficulty was left up to us.

The Nerfracker #4

Naked ballet exercise regimen taking focus (4)

Out of Shape #12: Jig Antic

Join our piece corps.

Out of Shape #11: Playing the Dozens

Oh heck — a dodeca.

The Nerfracker #3.5

What's a meta for?

Out of Shape #10: Track Stars

Two, four, six, eight/ A cryptic you'll appreciate.

Out of Shape #9: One Good Turn Deserves Another

Come on, solvers; let's do the twist.