Series preview: Blue Jays at Cubs
All games on WSCR-AM 670.
All-time series: Blue Jays 8-4.
Friday: 1:20 p.m., CSN.
LH J.A. Happ (6-8, 3.63) vs. RH Jake Arrieta (12-8, 3.73)
Saturday: 1:20 p.m., ABC-7.
RH Nick Tepesch (1-1, 5.23) vs. LH Jose Quintana (3-2, 3.86)
Sunday: 1:20 p.m., WGN-9.
RH Marco Estrada (5-8, 5.09) vs. RH Kyle...