Cobb suffered the injury late in the second quarter of Sunday's win over the Baltimore Ravens.
Greg Oden went through his first full practice with the Miami Heat on Monday.
The Buffalo Bills signed quarterback Matt Flynn on Monday.
Minnesota Vikings linebacker Desmond Bishop tore the ACL in his right knee Sunday and will need season-ending surgery.
The New York Jets running back tweeted Monday that he tore the ACL and MCL in his left knee.
Florida running back Matt Jones is out for the season after having surgery Monday for a torn meniscus in his left knee.
The medical treatment Miami Heat forward Michael Beasley required after a preseason game against the Detroit Pistons wasn't for a self-inflicted punch, the team said Friday.
Loney was a bargain on a one-year, $2 million deal for 2013.
Many details remain unknown and unconfirmed regarding the situation that prompted Vikings running back Adrian Peterson to miss practice on Thursday.
The school said a limited number of single grass squares will be offered for $20 each.