In American and Canadian football the line of scrimmage is the imaginary transverse line crossing the football field across its narrower dimension, which passes through the last position of the football, after the end of the most recent play and following the assessment of any penalty yards.
The line of scrimmage is the imaginary transverse line crossing the football field across its narrower dimension and following the assessment of any penalty yards. This is in American and Canadian football. Its narrower dimension passes through the last position of the football. This is after the end of the most recent play.