Veteran NFL broadcaster and Super Bowl winning head coach John Madden will be returning for his 4th season as a commentator on Sirius NFL Radio (ch 124).

Throughout the 2007 NFL season, Madden will join Adam Schein and Gil Brandt every Sunday on "The Stadium Tailgate Show," Sirius NFL Radio's pre-game program which airs Sundays from 9am - 12pm ET. Madden will also appear every Friday and Monday throughout the season on "The Afternoon Blitz," the talk show hosted by Schein, Solomon Wilcots and Jim Miller that airs weekdays from 3 - 7pm ET on Sirius NFL Radio.

One of the most popular broadcasters in all of sports, Madden is entering his 27th season as an NFL analyst. He has been a Sirius NFL Radio commentator since 2004 and currently serves as lead analyst for NBC's Sunday Night Football broadcasts.

Sirius Satellite Radio and Motorsports Authentics have partnered together to create a new one-hour weekly radio show - "NASCAR Collector" - that focuses on NASCAR collectors and fans with special interests in racing memorabilia.

Show hosts Tim Packman, Buzz McKim and Tim Trout will provide NASCAR racing expertise, collectible information and value insight. Listeners can also call in and talk about their favorite die-cast or NASCAR souvenirs. They'll also learn about new limited edition merchandise and collectible lines, release dates and the retail outlets where they'll be available.

Think there isn't an interest in a NASCAR memorabilia show? With 24% of NASCAR fans purchasing collectibles, you bet there is.

"NASCAR Collector" will air Saturdays debuting on September 1st at 8am ET on Sirius NASCAR Radio (ch 128).

New Orleans Saints running back and Heisman Trophy winner Reggie Bush will be giving live weekly reports throughout the 2007 NFL season on Sirius Satellite Radio.

Sirius NFL Radio is the only radio channel dedicated to covering the NFL 24 hours a day, 365 days a year.

Starting Week One of the NFL season and airing every Wednesday at 5:15pm ET, Sirius listeners will hear Bush recap games, break down upcoming match-ups and comment on teams and topics from around the league. The reports will air as part of The Afternoon Blitz, the daily talk show hosted by Adam Schein, Solomon Wilcots and Jim Miller that airs from 3 - 7pm ET on Sirius NFL Radio (ch 124).

Bush will also be featured in Sirius marketing initiatives to promote "NFL Sunday Drive" which features every pre-, regular, and post-season game of the NFL season.

Sirius Satellite Radio and the Celtic Football Club have partnered up to make Sirius the exclusive satellite radio provider of Celtic Football Club.

Starting Sunday, August 5th, Sirius will broadcast every Celtic Premier League game live, including the celebrated matches against their historic rivals, the Rangers. The start date coincides with the with Celtic vs Kilmarnock match to air at 9am ET.

All games, which will feature the official Celtic FC broadcast, will air on Sirius channel 126. Other non-Premier League Celtic matches might also get added to the schedule.

Founded in 1888, Celtic (the reigning champions of the Scottish Premier League) is one of the most dominant football clubs in the history of the sport, winning the Scottish League title a remarkable 41 times.

Last May, Celtic won the Scottish Premier League title for the second consecutive year and the fifth time in the last seven seasons. The team then went on to play their way into the final 16 of the UEFA Champions League, the world’s premier club competition, with a 1-0 victory over Manchester United before being defeated by the eventual champions, AC Milan.

Sirius also broadcasts UEFA Champions League matches and, as a partner of the English Premier League, airs multiple live Premiership soccer matches each week. Sirius is also the exclusive satellite radio broadcaster of Chelsea Football Club and airs every Chelsea Premier League game live. 

A schedule of Celtic matches on Sirius can be found online here.