in droves

Celebrities are expected in droves. 
in droves crowds of people

Howard issued Williams a challenge when the two spoke on Monday morning, according to the Magic’s team website. Howard recalling that “Linsanity” began against the Nets, raised the bar for Williams.
raise the bar Fig. to make a task a little more difficult

“Everything changed for the Knicks the moment he checked into the game in New Jersey,’’ Wade said. “ You hope that when your opportunity comes you can take advantage of it, but you don’t ever think of doing it the way he has. He’s booked out.”

Jeremy Lin gets 17 points and nine assists as the Knicks blow out the Hawks. More importantly, he worked in harmony with Carmelo Anthony (below, 15 points) in the runaway victory at the Garden.

You use runaway to describe a situation in which something increases or develops very quickly and cannot be controlled.

"We love playing against them and they love playing against us," Wade said. "I don't have to pump it up. It's going to be pumped up enough."
pump up [pump sth/sb⇔up] phr v
to fill a tyre, airbed etc with air until it is full
= inflate
informal to increase the value, amount, or level of something