Thornton (undisclosed) didn't practice Monday, Sam Warren of The Athletic reports.
Jeanty (ankle) didn't participant in practice Monday, Ryan McFadden of ESPN.com reports.
Jeanty is believed to have a sprained ankle that "is not considered a long-term injury," Adam Schefter of ESPN reports.
Jeanty left Sunday's practice with an injury and could not put pressure on his leg while leaving the field, Vincent Bonsignore of the California Post reports.
Washington took most of the carries after Ashton Jeanty (knee) left Sunday's practice, Sam Warren of The Athletic reports.
Washington took the rest of the first-team RB reps in Sunday's practice after Ashton Jeanty left the session early due to an apparent right knee injury, Ryan McFadden of ESPN reports.
Jeanty left Sunday's practice with an injury and could not put pressure on his leg while leaving the field, Vincent Bonsignore of the California Post reports.
Mallory did not play in the Colts' 34-6 preseason loss to the Falcons on Saturday due to a thumb injury, Joel A. Erickson of The Indianapolis Star reports.
Shrader made both of his field-goal attempts in Saturday's 34-6 preseason loss to the Falcons.