Original sentence: The 15-day DL does not count the player on the active roster (comprising the 25-man roster until September 1st), whereas the 60-day DL does not require the player to be counted on either the team's active roster or its 40-man roster
Edited sentence: The 15-day DL does not count the player on the active roster (comprising the 25-man roster until September 1), whereas the 60-day DL does not require the player to be counted on either the team's active roster or its 40-man roster