Holiday shopping can be difficult, especially when you don't know what to get a person.

But the NFL, NBA, MLB, NHL and NASCAR are doing their best to help you find the perfect gift for sports fans on your list through holiday catalogs and an array of holiday-specific gifts on their Web sites.

NFL

This holiday season NFL.com has countless football, team and player-specific items available for football fans.

Included in the league's catalog are the basics -- including jerseys, T-shirts and sweatshirts -- and more unique items, such as winter jackets, hats, shoes, Crocs, socks, robes and pajamas.

The league is also featuring gifts for your home, such as table lamps and clocks, and memorabilia items.

And don't forget about your pets. The NFL also has dog-specific items, including dog jerseys and T-shirts, collars, leashes and dog bowls.

NBA

For basketball fans, NBA.com has put together a holiday catalog that features team and player-specific apparel -- such as jerseys, T-shirts and even slippers -- and a few oddities.

The league has holiday-related items, such a Santa hats and Christmas stockings, and memorabilia items, including a basketball that was signed by the 2008 Boston Celtics.

The catalog even offers items for your house. Listed on the Web site are team-specific table lamps, life-size wall graphics of players, and team-specific bedding.

MLB

MLB.com offers an array of items this holiday season, from memorabilia to customized jerseys.

The Web site offers authentic jerseys from each of the team's in the league, as well as some of the most popular players. If the person you're shopping for doesn't have a favorite player, you also have the option of customizing a jersey or T-shirt with their name.

MLB.com also offers several memorabilia items, including autographed jerseys, baseballs and bats. Two of the Web site's featured items are a jersey signed by Boston's David Ortiz, and a bat autographed by the Yankees' Derek Jeter.

Like NFL.com and NBA.com, the Major League's site also has numerous items for your home. Some of the more unique items include a scoreboard clock, frames, glassware, lamps and Christmas ornaments.

NHL

On NHL.com, fans can purchase hockey-related items ranging from T-shirts to dog clothes.

The Web site features NHL, team and player-specific apparel, including jerseys, T-shirts, sweatshirts, hats, winter hats, gloves and jackets.

It also has unique accessories, such as women's handbags, kids backpacks and dog clothes.

For the house, NHL.com has team-specific dishes, glassware, lamps, rugs, chairs and bedding.

NASCAR

NASCAR.com has an array of unique items available through its online store.

The Web site has driver-specific T-shirts and other apparel featuring some of the league's most popular drivers such as Dale Earnhardt Jr., Jimmie Johnson and Tony Stewart. There are also items celebrating Johnson's third straight championship.

There are also replica model cars available for adults to collect, as well as toy cars for kids.

And for your holiday decorating needs, NASCAR has Christmas stockings, Santa hats, ornaments, and even Christmas lights in the shape of tiny cars.