Chicago tightens its grip on the Central Division title with a 2-1 win over Columbus on comeback goals by Eric Wynalda and Ante Razov. … Wynalda’s 10th goal of the season equals the Chicago striker’s best career total from 1996 with the San Jose Clash. … Dallas playoff hopes get a boost from Jorge RodriguezÆs strike — the golden goal in a 3-2 win in Tampa. Aug. 29 in Chicago CHICAGO 2, COLUMBUS 1 Scoring Summary: CLB–Warzycha 7 CHI–Wynalda (Gutierrez, Bocanegra) 50 CHI–Razov (unassisted) 57 CHICAGO — Zach Thornton, C.J. Brown, Carlos Bocanegra, Evan Whitfield (Eric Wynalda 46, Jim Curtin 73), David Vaudreuil, Jesse Marsch, DaMarcus Beasley, Diego Gutierrez, Peter Nowak, Dema Kovalenko, Ante Razov CAUTIONS: Gutierrez 47, Brown 62, Nowak 71; EJECTIONS: none. COLUMBUS — Tom Presthus, Mike Lapper (Edson Buddle, 80), Tenywa Bonseu, Mike Clark, Duncan Oughton, Robert Warzycha, Brian West, Mike Duhaney, John Wilmar Perez, Jeff Cunningham, Dante Washington CAUTIONS: Oughton 46, Warzycha 48, Cunningham 65; EJECTIONS: none; POSSESSION PERCENTAGE: 48% Referee: Alex Prus; Assistant Referees: Greg Barkey, Steven Davidson. Attendance: 12,733; Weather: Clear, 75. Aug. 29 in Tampa, Fla. TAMPA BAY 2 DALLAS 3 Scoring Summary: TB –Ralston (unassisted) 8 DAL–Pareja (Deering) 25 DAL–Graziani (Rodriguez, Rhine) 67 TB –Barclay (Maessner) 89 DAL–Rodriguez (unassisted) 97 TAMPA BAY — Adin Brown, Diego Sonora, Steve Trittschuh, Craig Demmin (Devin Barclay, 78), Eric Denton (John Maessner, 83), Danny Pena, Josh Keller, Steve Ralston, Gus Kartes (Ali Curtis 58), Jair, Mamadou Diallo. CAUTIONS: Denton 1, Pena 57; EJECTIONS: none. DALLAS — Matt Jordan, Lubos Kubik, Eric Dade, Paul Broome, Richard Farrer, Jorge Rodriguez, Chad Deering, Joselito Vaca (Bobby Rhine 59), Oscar Pareja, Jason Kreis (Justin Evans 78), Ariel Graziani. CAUTIONS: none; EJECTIONS: none. Referee: Reggie Rutty; Assistant Referees: Greg Watson, Jeffery Feulner. Attendance: 4,286; Weather: Rain, Humid, 84 degrees, Clear.