INDYCAR drivers get candid about giving, receiving the middle finger. And find out which driver's name is synonymous with the infamous salute.

Wacha was pitching in the fifth inning of an intrasquad game when Salvador Perez lined his pitch up the middle. The ball hit ... "We're going to set up a test and X-ray and hope to know more ...

For some reason, it triggers the other driver. And the reaction is the "you’re No. 1" sign using the middle finger. Now, just imagine this happening around at 200 miles an hour. The rage and the ...