Benjamin Hochman: As Jordan Walker rises, Cardinals’ Tyler O’Neill vows to hold onto his job | Sports

Oliver Marmol’s quote has stuck with me all winter.

A month ago, I asked him about Jordan Walker. If the prodigious prospect is going to make the majors, we know it’ll be as a starter, not a role player. So, if Walker is going to make the club out of spring training, he has to earn a starting outfield job. Which…