Some Pokemon in the LC tier have stats below 300.

Ayurill BST-190

Barbouch BST-288

Bidoof BST-250

Blitzle BST-295

Bonsly BST-290

Budew BST-280

Burmy BST-224

Caterpie BST-195

Cherubi BST-275

Chingling BST-285

And more have there stats below 300.If you want more,just press my link above.