.
[COLOR="Navy"]Recovery time for a Grade 1 sprain is between a few days and 1.5 weeks:[/COLOR]
Healthline.com:
"Since grade 1 MCL injuries are minor, they only take [COLOR="Red"]a few days[/COLOR] to heal."
UCSFhealth.org:
"Grade 1, MCL tear can take from a [COLOR="Red"]few days to a week and a half[/COLOR] to heal sufficiently to return to normal activities, including sports."
ESPN.com, Dr. Selesnick:
"The more minor sprains, like Grade I injuries, may only keep an athlete out of action for [COLOR="Red"]a few days to a week or two[/COLOR]."
knee-pain-explained.com
"A grade 1 MCL injury usually heals itself within [COLOR="red"]a couple of weeks[/COLOR]"