The Uruguay international was heavily criticised by Potters boss Tony Pulis, who called for divers to be handed a three-match ban, after falling theatrically in Sunday's goalless draw at Anfield.
Liverpool manager Brendan Rodgers leapt to the defence of his star forward on Monday, claiming the vilification of the 25-year-old was wrong and unfair.
But Kightly continued the attack on Suarez by telling The Sentinel: "When you get a little touch and he is screaming like he has broken his leg you do think 'is he hurt?' but nine times out of 10, he's not.
"It is something we are trying to get out of the game. Referees have to try to stamp down on it.
"There is a difference between winning a penalty and just diving.
"Sometimes players know a tackle is coming in and ride it and go down. That's good play, winning a penalty.
"But sometimes, when you just dive with no touch at all, that's not good for the game."
Germany is one of the top teams ever and they will play the US on Sunday.
The USA will wear their blue away jersey against Jamaica in their World Cup qualifier on Friday night.
Support the USA national team with an official 2013 Centennial soccer jersey from Nike. Its Official.
Barcelona will wear this new home soccer jersey next season. They also have a new away jersey. Get them both.
The hoop soccer jersey is classic and cool. The USA hooped jersey is perfect for every fan. Get in the Gear.
The adidas Nitrocharge is the most talked about new cleat in years. It was released on May 15 and will take your pitch by storm.
Jamaica is in need of a win against the U.S. Get the jersey of the Reggae Boyz.
Neymar's move from Santos to Barcelona is no doubt the biggest summer transfer.
Manchester City will try and win back the Premier League title with this new soccer jersey from Nike!
The Nike Hypervenom is the latest cleat silo from Nike. It will change your game and is worn by the game's top players.