Preview: Gutierrez injury a 'big blow' for Mariners

The Mariners start exhibition play Friday. But they'll do it without starting center fielder Franklin Gutierrez. He's out for at least a month with a partial tear of his pectoral muscle.

KPLU sports commentator Art Thiel talks about what this means for the start of the Mariners season, coming up tomorrow morning at 5:35 and 7:35 on 88.5 KPLU. Check back here for a blog of our conversation.