Purdue football's passing game issues don't stem from quarterback play. Though Barry Odom hasn't named a starter yet, the bigger issue is with the wide receivers.

Purdue's offensive line is taking shape but is still looking for someone to emerge at the ever-critical center position.

Big Ten commissioner Tony Petitti visited Purdue's practice, which was among several notable notes.

WEST LAFAYETTE — Purdue football enters Wednesday's practice — the final one designated as preseason training camp — unsettled at the interior offensive line positions.

The problem has not been performance, per se, but merely knowing who is available and settling on an alignment. Jalen St. John is the clear front-runner at left guard. Center and right guard, though, could still go to anyone from the group

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