Olympic qualifying: In an attempt to break Mark Spitz's record of seven gold medals in a single Olympics, Michael Phelps, left, is entered in nine events at this week's U.S. swimming trials in Omaha, Neb.

To watch: Day 2, 8 p.m., USA.

Did you know: Phelps won six gold medals at the Athens Olympics in 2004. If he wins four more gold, he'll have the most of any Olympian.

NHL free-agency day: Penguins free agents Marian Hossa and Brooks Orpik can sign with another team on the start of NHL free agency.

More: Log on to www.post-gazette.com Tuesday for breaking news on the Penguins.

Baseball: After finishing up with the Pirates this weekend, the No. 2 team in the American League, the Rays, go back to Tampa Bay to take on the AL's No. 1 team, the Red Sox.

To watch: 7 p.m., ESPN.

Steelers: No, nothing Steelers related is scheduled to happen. But on Thursday, Steelers training camp will be only 24 days away! Consider it a reminder, if you haven't made plans to visit Saint Vincent College in Latrobe to watch the Steelers in their annual summer ritual.

Pirates: It's the Fourth of July, and there's no better way to celebrate our country's independence than taking in an afternoon ball game. That happens Friday when the Pirates take on the Brewers in Milwaukee. Any win in this series will help the Pirates gain some much-needed ground in the National League Central. The Brewers are currently in third place with the Pirates trailing in fourth.

To watch: 2:05 p.m., FSN Pittsburgh.

NASCAR: The Sprint Cup returns to Daytona for a night race in the Coke Zero 400 at Daytona International Speedway.

Did you know: Dale Earnhardt Jr., left, won his first race of the season June 15 at Michigan and has a good chance of recording another victory at Daytona, where he has won twice.

To watch: 6:30 p.m., TNT.

Wimbledon final: Roger Federer, who is trying to better Bjorn Borg's record of five consecutive Wimbledon titles from 1976-80, has a chance to prove wrong all the critics who said he appeared vulnerable after he had a bout with mononucleosis earlier in the year and was pummeled by Rafael Nadal in the French Open final.

To watch: Coverage starts at 9 a.m., WPXI.