Watson will undergo an MRI to confirm the injury next, per Rapoport.
Selena Gomez cycling with Justin Bieber after her Split from The Weeknd
Gomez and Bieber reconnected earlier this week as news spread that Gomez split from singer The Weeknd after 10 months together. The former couple's relationship began to fizzle over the summer, when The Weeknd went on tour and Gomez was busy filming.
Watson took over the team in the second half of Week 1, and after a slow start in Week 2, has been one of the NFL's most exciting and promising rookies.
Watson was tied for the National Football League lead with 19 touchdown passes, the most any National Football League player has recorded through his first seven games. Watson got up and walked before his knee was looked at, though he didn't finish practice.
Watson was coming off the most impressive performance of his young career before suffering the injury.
Buffalo Bills acquire Panthers wide receiver Kelvin Benjamin
Benjamin missed the 2015 season due to an ACL tear, and this season he is experiencing some pain in that same knee. For the Panthers, the move is a bit more puzzling, considering Benjamin provided a big target for Cam Newton.
Watson pervioulsy played with a torn ACL before during his freshman year as Clemson Tigers quarterback, succeeding to help in the victory over the South Carolina Gamecocks in 2014.
Watson was the only quarterback with a passer rating above 100.0 in all of his four games in October.
Everton interested in Burnley manager Sean Dyche
The Toffees sacked Ronald Koeman last week following a poor start to the season in both the Premier League and Europa League. But respect has to be earned at all clubs and it has been earned here over a five-year period.