Miami Dolphins quarterback Ryan Tannehill reinjured his left knee practically speaking Thursday when it clasped as he mixed and fell without being hit. 

Tannehill strolled gradually off the field joined via coaches, and there was no quick word on the seriousness of the damage. 

"You see your quarterback go down, you think the most exceedingly terrible," tight end MarQueis Gray said. "He's in the greater part of our petitions, and we trust he's back on the field." 

Tannehill missed last season's last four recreations, including a playoff misfortune at Pittsburgh, in the wake of spraining two tendons in his left knee. He ruled against surgery and partook in all offseason drills. 

He was wearing a prop when his knee appeared to give out close to the correct sideline while running full speed to escape handle Ndamukong Suh. Tannehill remained on the ground no less than 15 seconds encompassed by colleagues before rising and leaving the field. 

"I saw him lock and go in. There was no contact on the play," hostile organizer Clyde Christensen said. "The underlying response is, 'alright, next man up.' That's football. It will happen some place in this season. The diversion doesn't stop. You go ahead to the following play. And afterward clearly my own thing is, 'Kid, I beyond any doubt trust it isn't not kidding.'" 

The damage happened amid the seventh routine with regards to preparing camp. 

Matt Moore, an eleventh year veteran, went 2-2 as a starter supplanting Tannehill a year ago and remains the reinforcement. 

"There's a reason we have Matt Moore here," Christensen said. "We trust he never needs to play, and on the off chance that he does he'll be prepared." 

The Dolphins spent half a month after last season evaluating the degree of Tannehill's ACL and MCL sprains before decision out surgery, which could have risked his accessibility for the begin of this season. Tannehill restored the incompletely torn tendons, experienced undeveloped cell medications and has been stating since May he felt 100 percent. 

"Managing damage like that surprisingly, it was an intense procedure for me," Tannehill said a week ago after the main routine with regards to preparing camp. "In any case, the building, everybody around me, truly bolstered me all through that entire procedure. I'm happy to be retreat here and feeling truly sound once more." 

On the off chance that Tannehill's damage leaves the Dolphins in the market to sign another quarterback for profundity, hopefuls incorporate Colin Kaepernick, who went separate ways with the San Francisco 49ers in March and stays unsigned. His choice last season to bow amid the national song of praise to challenge police severity incited national verbal confrontation. 

A week ago, Dolphins proprietor Stephen Ross said he trusted Kaepernick wasn't being rebuffed by groups for his legislative issues. 

"I realize that a ton has been composed about it, yet you know proprietors or mentors — they'll do anything it takes to win," Ross said. "Also, in the event that they think he can enable them to win, I would trust they would sign him." 

The news comes a day after Dolphins running back Jay Ajayi was determined to have a blackout. Dolphins preparing ca,p opened last Thursday.