I noticed this morning (1/16/2019) that OSU DT Malik Barrow's name was in the transfer portal for defensive lineman who are undecided on their transfer location to date.

This is an interesting development, especially since he 'retired' from football this past year due to his second ACL tear, which happened in the game against UNLV last year.
https://247sports.com/Article/Ohio-State-Buckeyes-football-Defensive-tackle-Malik-Barrow-retires-from-football-123639827/ 

I wonder if Barrow was pressured by OSU trainers/doctors to retire? Was it a scholarship (numbers) issue? Was it that he had lost a step or two following his recovery? If so, is it a case where he still feels like he can play, even if it's not at an OSU level, and can only do that if he transfers out? 

This situation seems a bit similar to that of Jamel Dean (CB, Auburn). He suffered several ACL and meniscus tears and had multiple knee surgeries in HS., but committed and early enrolled at OSU in Jan. 2015. He was subsequently medically disqualified after he was on campus and the doctors got to look at this knees. He transferred in May of 2015 and went on to have a pretty good career at Auburn.

Wonder if Barrow will end up with a similar path through college to (possibly) the NFL?