Klay Thompson's nasty head blow from via Trevor Ariza's knee was far worse than originally anticipated. After completing the necessary protocols and neurological tests, Thompson was diagnosed with concussion.

While the upcoming 2015 NBA Finals is still a week from today, the concussion diagnosis on Thompson could have a massive impact on his team. According to the New York Times, for Thompson to be back on court, he need to complete a series of concussion protocol guidelines issued by the NBA.

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Thompson needs to undergo several cognitive assessments which includes riding a stationary bike, agility demanding exercises, jogging and various non-contact drills, according to USA Today.

In order to be cleared, Thompson need to undergo each step one at a time progressing to the next step once he cleared the first. In case he fails in one of the steps, he needs to stop and retake it until all concussion related symptoms were cleared.

Golden State Warriors head coach told reporters, "We'll just follow the doctor's advice. He'll practice when he can practice."

If Thompson will no longer show signs of concussion symptoms, he will be allowed to play. The decision whether Thompson can play or not will be issued by NBA director of concussion program Dr. Jeff Kutcher who will be working with Warrior's team doctor.

Following the strict guidelines of NBA's concussion protocol, no timetable has been issued regarding Thompson's return.

Thompson, who plays the shooting guard position, plays a central role in the overall offense of the Warriors. He is currently the second leading scorer of the team, just a few notch below regular season MVP Stephen Curry.

The Warriors will no doubt suffer on the offensive end in case Thompson misses even just a few games in the seven-game series against a superstar studded Cleveland Cavaliers headed by LeBron James.

The first game of the best of seven series between the Warriors and the Cavs will be on June 4, according to Yahoo Sports.

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