DETROIT (92.3 The Fan) — Cleveland Browns receiver Mohamed Massaquoi left the preseason opener against the Detroit Lions after 1 play.

Massaquoi caught the first pass rookie Brandon Weeden threw Friday night, a 12-yard completion for a first down in traffic, before leaving the field.

The Browns announced that he sustained a “head injury” and that he would not return to the game.

“He came off with the symptoms [of a concussion], and we followed league protocol,” coach Pat Shurmur said.

Massaquoi is in his fourth season and has battled concussions throughout his career including last season.

When he will return to the field is not known but he won’t until he’s cleared.

“I’m always concerned with injuries and he’s going to deal with this,” Shurmur said. “We’re going to go through the process and when he’s healthy enough to play, then we’ll put him back out there – and not before that.”

Massaquoi disputed on his Twitter account that he had a concussion. He tweeted that he didn’t return as a precaution.

Massaquoi caught 31 passes for 384 yards in 2011 and has 101 career receptions for 1,491 yards and 7 touchdowns.

The Browns came under fire last season when Colt McCoy returned to a game in Pittsburgh after sustaining a concussion which prompted the NFL to change it’s protocols for diagnosing them during games as well as determining if a player is fit to return to the field.

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