“Dear Mr. Williams: We just watched the Playoff game. I feel really bad for you but I wanted to tell you that you had a great season.”

So begins 7-year-old Owen Shure’s letter to 49ers return man, Kyle Williams. Williams, as you remember, fumbled not once, but twice in the 49ers’s crushing NFC championship loss to the Giants on Sunday.

Some call it smart football. Others might call it dirty. But after the New York Giants defeated the San Francisco 49ers in a hard-fought NFC Championship game, a few Giant players alluded to the fact that they had kick returner Kyle Williams as a marked man, thanks to his history of suffering from concussions. Expect to hear a lot more about this as the week goes on.

Last night, as Kyle Williams’ night (and the Niners’ season) fell apart in front of America, his Twitter account was bombarded by angry fans. Here are some of the messages he received, which provide a nice little digital snapshot of what it’s like when you’re the goat (and what it’s like when people take sports too seriously).

If you’re not a 49ers fan (and maybe even if you are), it’s tough not to feel bad for second-year receiver/return man Kyle Williams. Just when it looked like he’d been spared goat status after his fourth-quarter muffed punt, he fumbled another return in overtime…and now the Giants are going the Super Bowl.

The 49ers’ Kyle Williams touched the ball on a punt return, and after initially being called San Francisco ball, the call was overturned on a New York challenge. Up to this point, this is the most important play in the NFC Championship game. And provided the Giants hold on to the 17-14 lead they just gained, Williams might find himself in goat territory on Monday morning.