Bob Feller and Nolan Ryan are tied for the most of these in their career with 12, and I'm sorry for a baseball clue but there was really no way around it
4D
Apt rhyme for "grasp"
5D
Unpopped popcorn piece
6D
Short spacemen?
7D
Ruler in Russia
8D
Linchpin
10D
Sweet Italian Christmas breads
11D
Lange and Shaw, for two
13D
LPGA standard
16D
Lake Tahoe tribe
17D
Sr. stressor
19D
Diagonally (from)
21D
Whitish complexion
24D
Not safe?
26D
Wilson of "The Rocker" (and a homophone of 18-across)
28D
Email folder
31D
Bega who presumably also had Mambos no. 1 through no. 4, and if no. 5 was the one he went with I'm fine with the rest being unreleased