Former Buffalo Bills quarterback Jim Kelly is expected to underago another surgical procedure to combat the oral cancer that has returned, according to a report from the Associated Press.

Kelly, 54, had his cancer return early in March. The AP report states that surgery could be scheduled as early as April 1.

The cancer was reported to be "aggressive and starting to spread."

Kelly was the Bills quarterback from 1986 through 1996. He led the Bills to four consecutive Super Bowl appearances from 1990-1993.

He finished his career with 35,467 yards and 237 touchdowns.

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Aaron Wilson covers the Ravens for The Baltimore Sun.