All games on WSCR-AM 670. Season series: Cubs lead series 6-1. Monday: 6:10 p.m., WGN-9. RH Jake Arrieta (11-2, 1.74) vs. RH Dan Straily (4-4, 3.83). Tuesday: 6:10 p.m., CSN. LH Jon Lester (9-3, 2.10) vs. LH John Lamb (1-4, 4.78). Wednesday: 11:35 a.m., WGN-9. RH Kyle Hendricks (5-6, 2.76) vs....