Scouting: Cubs @ Rockies

Cubs vs. Colorado Rockies at Coors Field

TV: Comcast SportsNet today, Saturday and Monday; Channel 9 Sunday

Radio: WGN 720-AM

Pitching matchups: The Cubs' Carlos Zambrano (7-4) vs. Ubaldo Jimenez (8-9) today at 8:10 p.m.; Ryan Dempster (5-5) vs. Jason Marquis (12-7) Saturday at 7:10 p.m.; Randy Wells (8-4) vs. Jason Hammel (6-6) Sunday at 2:10 p.m.; Tom Gorzelanny (4-1) vs. Jorge De La Rosa (9-8) Monday at 7:40 p.m.

At a glance: This will be a good test for the Cubs, with the Rockies in the thick of the wild-card race. The clubs split a pair of games at Wrigley Field in April. The Rockies entered Thursday third in the NL in runs, fourth in OBP and second in slugging. The Cubs were 10th in runs, 10th in OBP and seventh in slugging. The Cubs and Rockies were tied for first in quality starts, with 67. The Rockies' Todd Helton was ninth in batting average and 10th in OBP. He is 7-for-18 against Dempster but only 3-for-19 vs. Zambrano. The Cubs' Derrek Lee is 16-for-33 with 4 homers off Marquis.

Next: Philadelphia Phillies at Wrigley Tuesday-Thursday