Taking game out of Wainwright's hands, into McFarland's proves 'tricky' for Cardinals

Marmol's decision in the seventh, hinged around a matchup on the horizon, proves pivotal after Cardinals rally in 6-5 loss to Red Sox at Fenway.
Marmol's decision in the seventh, hinged around a matchup on the horizon, proves pivotal after Cardinals rally in 6-5 loss to Red Sox at Fenway.