It's been 42 seasons since Saint Louis last earned a share of a conference title.
The No. 16 Billikens can clinch at least a piece of the Atlantic 10 crown with a 12th straight victory Wednesday night at similarly defensive-minded Xavier.
Saint Louis (23-5, 12-2) leads No 21 Virginia Commonwealth by one game and can also gain the top seed in the conference tournament with a victory Wednesday. This is its longest win streak since a 14-game run in 1993-94.
The Billikens last earned at least a share of a league title when they tied for first in the Missouri Valley Conference in 1970-71.
"It's an exciting time in college basketball, and we're in the midst of that in terms of playing for a lot of things," interim coach Jim Crews said.
Saint Louis is limiting opponents to a conference-low 57.9 points per game, with Xavier (16-12, 8-6) second in that department at 62.3. The Musketeers have the Atlantic 10's best mark in defensive field-goal percentage at 40.8.
"We've got a really good oppo...