A.J. Brown dislocates his thumb during a Patriots training camp practice, according to reports from multiple outlets. The injury occurs during a one-on-one red zone drill in which Brown goes up against Pro Bowl cornerback Christian Gonzalez. Coverage notes that Brown is not portrayed as being overly concerned about the setback after the injury. One report describes the incident as happening during Monday’s practice, while another specifies the drill setting and opponent involved. Across the sources, the details consistently include the thumb dislocation, the practice environment at Patriots camp, and the timing being during Monday work. None of the provided articles include further specifics on treatment, severity beyond the dislocation, or an immediate timeline for his return to practice or games. Overall, the reports agree on the key event—Brown dislocates his thumb during a specific red zone matchup drill—while differing only in emphasis on his reaction and general description versus more detailed drill context.