TAMPA, Fla. -- The MRI for Tampa Bay Buccaneers quarterback Baker Mayfield revealed a low-grade AC joint sprain in his left shoulder but no additional damage, sources told ESPN's Jeremy Fowler on Monday.

An additional source told ESPN that the general feeling is that Mayfield is pretty fortunate to have not sustained a more serious injury.

Mayfield's status for Sunday's game against the Arizona Cardinals remains uncertain, but there are no long-term injury concerns.

Mayfield was injured in the Buccaneers' 34-7 loss to the Los Angeles Rams on Sunday night -- their third straight loss, which dropped them to 6-5 this season.

After leading the Buccaneers on a touchdown drive late in the second quarter, Mayfield went into the medical tent on the Buccaneers' sideline. He was listed a

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