What Pete Crow-Armstrong can learn from Cubs and Team USA teammate Alex Bregman

MESA, Ariz. — New Cubs third baseman Alex Bregman knows his swing is at its best when he is stingy with his pitch selection and makes contact out in front. Those keys unlocked what he called the best 1½-month offensive stretch of his life last season before a strained quad in late May broke his rhythm.

The same things are focuses for Cubs center fielder Pete Crow-Armstrong, especially disciplined swing decisions. That has dominated most of their hitting conversations so far.

‘‘I think...