What’s the spin?

Giants and A’s starting pitchers have all seen a decline, to some degree, in spin rate since MLB announced a crackdown on illegal substances June 3. However, the enhanced crackdown hasn’t resulted in a consistent rise in ERA among those pitchers. A’s J. Kaprielian | F. Montas | C. Bassitt | S. Manaea | C. Irvin Giants K. Gausman | A. DeSclafani | A. Wood | J. Cueto | L. Webb