ICR

From Wiki Gonzalez

ICR is one of the many nicknames given out by Yankee fans in Game Chatters, this one coined by sjohnny. ICR is short for "Inanimate Carbon Rod", and is the nickname given to Alex Rodriguez in lieu of "A-Rod". The reason for the nickname was A-Rod's poor performance in 2004 with runners in scoring position. Many sent ICR to the nickname graveyard after his game-tying double in the 2004 ALDS Game 2.

The phrase "Inanimate Carbon Rod" comes from a Simpsons episode where an inanimate carbon rod is named Employee of the Week at the power plant instead of Homer. This insult leads Homer to become an astronaut, where he averts a catastrophe (after starting it) on a shuttle mission using an inanimate carbon rod, which receives much more acclaim than Homer does.