Official preparations for Antonio Brown's debut season with the Oakland Raiders didn't exactly get off to the best start. Fortunately for both he and his new team, though, the six-time Pro Bowler likely won't have to wait long to be back on the field.

The Raiders placed Brown on the non-football injury list to open training camp, according to ESPN's Field Yates.

Yates added that Brown's injury had been described to him as “very minor.” Jerry MacDonald of the Oakland Tribune subsequently put concerns about the superstar wide receiver's status to further rest, noting that the Raiders had been aware of his injury for two weeks and that he “probably” won't miss much time on the field.

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Brown, one of the NFL's most flamboyant players, took the new tradition of arriving to training camp in style to a new level on Friday, traveling to the Raiders' headquarters in Napa, CA via hot air balloon.

The Raiders acquired Brown from the Pittsburgh Steelers in March in exchange for third and fifth-round picks in the NFL draft. Oakland later signed him to a three-year, $54.1 million deal that includes $30 million of guaranteed money.

Brown requested a trade in February following a 2018 season in which he routinely clashed with Steelers players and coaches, including superstar quarterback Ben Roethlisberger and longtime head coach Mike Tomlin. Though the team initially balked at honoring his desire to be dealt, a meeting with owner Art Rooney II ultimately changed Pittsburgh's stance.

Brown, 30, had 104 catches for 1,297 yards and a league-leading 15 touchdowns during his final season with the Steelers.