Baseball

• Arizona Diamondbacks
• Baseball Almanac: The "official" baseball history site
• Black Baseball's Negro Baseball Leagues: The most comprensive resource on the web for Negro Baseball Leagues information
• John Skilton's Baseball Links
• MajorLeagueBaseball.com
• National Pro Fastpitch:  Women's professional softball league.
• Negro League Baseball: The online home of Negro League Baseball history.
• USA Softball Online: The official site of the Amateur Softball Association

Basketball

• NBA.com: The official site of the National Basketball Association offers links to teams and players, news and features, scores and stats. Real audio and video clips of games and players are available.
• Phoenix Mercury: The official site
• Phoenix Suns: The official site
• WNBA.com: Women's National Basketball Association site provides game highlights, information about players and coaches and more. Includes Phoenix Mercury.

Cycling

• Jack's Cycling Pages
• Motorcycle.com
• mtb review.com:

Fishing & Wildlife

• Arizona Game and Fish Department
• Field & Stream and Outdoor Life Online
• U.S. Fish and Wildlife Service

Football

• Arizona Cardinals Team News (NFL.com)
• Arizona Cardinals: The official website
• Arizona Rattlers Arena Football
• NFL.com: The official website of the National Football League

Golf

• Arizona Golf Courses
• Golf (CBS Sportsline)
• Golf Channel.com: The only television network devoted to golf 24 hours a day
• Golf.com (SI.com network site)
• Yahoo! Directory Arizona

Hockey

• NHL.com: The official web site of the National Hockey League
• Phoenix Coyotes

Recreation

• Arizona State Parks
• GORP: Great Outdoor Recreation Pages
• National Park Service
• Recreation.gov: Recreational opportunities on federal lands
• Trails.com: Connecting people to the outdoors
• USDA Forest Service: National headquarters

Skiing

• GoSki: Snow sports guide
• SkiCentral: Search & index site for skiing & snowboarders"
• SkiNet.com: The skiing resource for ski gear, travel, resorts and snow reports

Sports in General

• CBS Sportsline
• CNN/SI from CNN and Sports Illustrated
• ESPN.com
• Olympic Movement: The official website of the International Olympic Committee
• Sporting News
• Sports Schedules As You Like 'Em