Perfect Science

Here are the undefeated teams through six weeks, along with their most meaningful wins, biggest obstacles and chances of remaining unblemished

NO. 1 LSU, 6--0
Up next: at Kentucky .
Marquee wins: Virginia Tech , South Carolina , Florida .
Outlook: After the trip to Lexington , the Tigers' toughest tests are at home (Auburn and Arkansas ), though Alabama coach Nick Saban would love to play spoiler against his old team.
Likelihood of a perfect season (out of a possible four bowl blazers): 3�

No. 2 CAL, 5--0
Up next: Oregon State .
Marquee wins: Tennessee , at Oregon .
Outlook: The Bears are pointing to their Nov. 10 game with USC , but they'd better not overlook their Oct. 27 trip to Arizona State .
Likelihood of a perfect season: 2� blazers

NO. 3 OHIO STATE , 6--0
Up next: Kent State .
Marquee wins: at Washington , at Purdue .
Outlook: No reason the Buckeyes shouldn't be 11-0 heading into their Nov. 17 game at Michigan .
Likelihood of a perfect season: 3 1/2 blazers

NO. 4 BOSTON COLLEGE , 6--0
Up next: at Notre Dame.
Marquee wins: Wake Forest , at Georgia Tech .
Outlook: A Thursday night affair at Virginia Tech will be no picnic, nor will the trip to Death Valley to face Clemson.
Likelihood of a perfect season: 3 blazers

NO. 5 SOUTH FLORIDA , 5--0
Up next: Central Florida.
Marquee wins: at Auburn, West Virginia .
Outlook: If the Bulls can win at Rutgers on Oct. 18, watch out.
Likelihood of a perfect season: 3 blazers

NO. 11 MISSOURI , 5--0
Up next: at Oklahoma .
Marquee wins: Illinois , Nebraska .
Outlook: The Tigers can make a statement in Norman , and pivotal road games come later against Colorado and Kansas State .
Likelihood of a perfect season: 1 blazer

NO. 14 ARIZONA STATE , 6--0
Up next: Washington .
Marquee win: Colorado .
Outlook: Now comes the hard part—games against Cal, Oregon and USC .
Likelihood of a perfect season: � blazer

NO. 15 CINCINNATI , 6--0
Up next: Louisville .
Marquee win: at Rutgers .
Outlook: The Nov. 3 game at South Florida could be for the Big East title. Honest!
Likelihood of a perfect season: 1 blazer

NO. 16 HAWAII , 6--0
Up next: at San Jose State .
Marquee wins: None.
Outlook: The Warriors close with home games against Boise State and Washington .
Likelihood of a perfect season: 1� blazers