SiriusXM Embarks on MLB Tour Feb. 27

MLB Network Radio Visits 30 MLB Spring Training Sites in 30 Days Feb. 27-Mar. 28

Mad Dog Radio's Chris Russo Will Host from Cactus League Ballparks Mar. 7-11, Grapefruit League Locations Mar. 21-25

NEW YORK - February 25, 2011 - Sirius XM Radio (NASDAQ: SIRI) will embark on its 2011 Spring Training Tour on Sunday, February 27, giving fans nationwide an in-depth and comprehensive look at all 30 Major League clubs as they prepare for the coming season.

SiriusXM's 24-hour baseball talk channel, MLB Network Radio, and its all-sports talk channel, Mad Dog Radio, will broadcast live from ballparks in and where they will present one-on-one interviews with managers, players and team executives from every MLB team.

MLB Network Radio (XM channel 175, Sirius channel 210 with the "Best of XM"), will visit 30 spring training sites in 30 days from February 27 to March 28. Former Mets and Orioles general manager Jim Duquette and co-host Mike Ferrin will cover the west coast sites of Florida's Grapefruit League from Feb. 27 - Mar. 6. Former Reds and Nationals general manager Jim Bowden and Casey Stern will broadcast from Arizona's Cactus League ballparks from Mar. 7 - 14. Former Rangers and Red Sox manager Kevin Kennedy will team up with Duquette to broadcast from seven Arizona sites from Mar. 15 -21. Then Bowden will join co- host Jim Memolo to cover Florida's east coast parks from Mar. 22-28.

On Mad Dog Radio (Sirius channel 123, XM channel 144), Chris 'Mad Dog' Russo will host his daily show, Mad Dog Unleashed, from five Arizona locations from March 7-11 and from five Florida parks from March 21-25. Mad Dog Unleashed airs every weekday (2:00-7:00 pm ET).

2011 SiriusXM Spring Training Tour Schedule: (All times ET)

Sunday, Feb. 27 ● Yankees @ Phillies - Bright House Networks Field, Clearwater, FL 10am-1pm ET: Power Alley with Jim Duquette & Mike Ferrin (MLBNR)

Monday, Feb. 28 ● Phillies @ Blue Jays - Florida Auto Exchange Stadium, Dunedin, FL 10am-2pm ET: Power Alley with Jim Duquette & Mike Ferrin (MLBNR)

Tuesday, Mar. 1 ● Yankees @ Pirates - McKechnie Field, Bradenton, FL 10am-2pm ET: Power Alley with Jim Duquette & Mike Ferrin (MLBNR)

Wednesday, Mar. 2 ● Braves @ Red Sox - City of Palms Park, Fort Myers, FL 10am-2pm ET: Power Alley with Jim Duquette & Mike Ferrin (MLBNR)

Thursday, Mar. 3 ● Twins @ Orioles - , Sarasota, FL 10am-2pm ET: Power Alley with Jim Duquette & Mike Ferrin (MLBNR)

Friday, Mar. 4 ● Red Sox @ Yankees - George M. Steinbrenner Field, Tampa, FL 2-6pm ET: Power Alley with Jim Duquette & Mike Ferrin (MLBNR)

Saturday, Mar. 5 ● Twins @ Rays - , Port Charlotte, FL 10am-1pm ET: Power Alley with Jim Duquette & Mike Ferrin (MLBNR)

Sunday, Mar. 6 ● Orioles @ Twins - , Lee County, FL 10am-1pm ET: Power Alley with Jim Duquette & Mike Ferrin (MLBNR)

Monday, Mar. 7 ● Brewers @ Reds - , Goodyear, AZ 2-6pm ET: Inside Pitch with Jim Bowden & Casey Stern (MLBNR) ● Dodgers @ Rockies - Salt River Fields at Talking Stick, Scottsdale, AZ 2-7pm ET: Mad Dog Unleashed with Chris 'Mad Dog' Russo (MDR)

Tuesday, Mar. 8 ● Diamondbacks @ Indians - Goodyear Ballpark, Goodyear, AZ 2-6pm ET: Inside Pitch with Jim Bowden & Casey Stern (MLBNR) ● Rangers @ Angels - , Tempe, AZ 2-7pm ET: Mad Dog Unleashed with Chris 'Mad Dog' Russo (MDR)

Wednesday, Mar. 9 ● Brewers @ Diamondbacks - Salt River Fields at Talking Stick, Scottsdale, AZ 2-6pm ET: Inside Pitch with Jim Bowden & Casey Stern (MLBNR) ● Padres @ Indians - Goodyear Ballpark, Goodyear, AZ 2-7pm ET: Mad Dog Unleashed with Chris 'Mad Dog' Russo (MDR)

Thursday, Mar. 10 ● Indians @ Cubs - HoHoKam Park, Mesa, AZ 2-6pm ET: Inside Pitch with Jim Bowden & Casey Stern (MLBNR) ● Giants @ Reds - Goodyear Ballpark, Goodyear, AZ 2-7pm ET: Mad Dog Unleashed with Chris 'Mad Dog' Russo (MDR)

Friday, Mar. 11 ● Royals @ Rockies - Salt River Fields at Talking Stick, Scottsdale, AZ 2-6pm ET: Inside Pitch with Jim Bowden & Casey Stern (MLBNR) ● A's @ Brewers - Maryvale Baseball Park, Phoenix, AZ 2-7pm ET: Mad Dog Unleashed with Chris 'Mad Dog' Russo (MDR)

Saturday, Mar. 12 ● A's @ Mariners - Peoria Stadium, Peoria, AZ 1-4pm ET: Inside Pitch with Jim Bowden & Casey Stern (MLBNR)

Sunday, Mar. 13 ● Indians @ Padres - Peoria Stadium, Peoria, AZ 1-4pm ET: Inside Pitch with Jim Bowden & Casey Stern (MLBNR)

Monday, Mar. 14 ● Brewers @ Giants - , Scottsdale, AZ 2-6pm ET: Inside Pitch with Jim Bowden & Casey Stern (MLBNR)

Tuesday, Mar. 15 ● Rangers @ Dodgers - The Ballpark at , Glendale, AZ 2-6pm ET: Power Alley with Jim Duquette and Kevin Kennedy (MLBNR)

Wednesday, Mar. 16 ● Giants @ White Sox - The Ballpark at Camelback Ranch, Glendale, AZ 2-6pm ET: Power Alley with Jim Duquette and Kevin Kennedy (MLBNR)

Thursday, Mar. 17 ● Cubs @ A's - Phoenix Municipal Stadium, Phoenix, AZ 2-6pm ET: Power Alley with Jim Duquette and Kevin Kennedy (MLBNR)

Friday, Mar. 18 ● Padres @ Angels - Tempe Diablo Stadium, Tempe, AZ 2-6pm ET: Power Alley with Jim Duquette and Kevin Kennedy (MLBNR)

Saturday, Mar. 19 ● Mariners @ Rangers - , Surprise, AZ 1-4pm ET: Power Alley with Jim Duquette and Kevin Kennedy (MLBNR)

Sunday, Mar. 20 ● Rangers @ Royals - Surprise Stadium, Surprise, AZ 1-4pm ET: Power Alley with Jim Duquette and Kevin Kennedy (MLBNR)

Monday, Mar. 21 ● Rangers @ Brewers - Maryvale Baseball Park, Phoenix, AZ 2-6pm ET: Power Alley with Jim Duquette and Kevin Kennedy (MLBNR) ● Yankees @ Rays - Charlotte Sports Park, Port Charlotte, FL 2-7pm ET: Mad Dog Unleashed with Chris 'Mad Dog' Russo (MDR)

Tuesday, Mar. 22 ● Twins @ Marlins - , Jupiter, FL 10am-2p ET: Power Alley with Jim Bowden and Jim Memolo (MLBNR) ● Mets @ Tigers - , Lakeland, FL 2-7pm ET: Mad Dog Unleashed with Chris 'Mad Dog' Russo (MDR)

Wednesday, Mar. 23 ● Mets @ Cardinals - Roger Dean Stadium, Jupiter, FL 10am-2pm ET: Power Alley with Jim Bowden and Jim Memolo (MLBNR) ● Marlins @ Braves - , Lake Buena Vista, FL 2-7pm ET: Mad Dog Unleashed with Chris 'Mad Dog' Russo (MDR)

Thursday, Mar. 24 ● Cardinals @ Mets - Digital Domain Park, Port St. Lucie, FL 10am-2pm ET: Power Alley with Jim Bowden and Jim Memolo (MLBNR) Twins @ Phillies - Bright House Networks Field, Clearwater, FL 2-7pm ET: Mad Dog Unleashed with Chris 'Mad Dog' Russo (MDR)

Friday, Mar. 25 ● Cardinals @ Nationals - Space Coast Stadium, Viera, FL 2-6pm ET: Inside Pitch with Jim Bowden and Jim Memolo (MLBNR) ● Blue Jays @ Red Sox - City of Palms Park, Fort Myers, FL 2-7pm ET: Mad Dog Unleashed with Chris 'Mad Dog' Russo (MDR)

Saturday, Mar. 26 ● Phillies @ Tigers - Joker Marchant Stadium, Lakeland, FL 10am-2pm ET: Power Alley with Jim Bowden and Jim Memolo (MLBNR)

Sunday, Mar. 27 ● Tigers @ Astros - , Kissimmee, FL 10am-2pm ET: Power Alley with Jim Bowden and Jim Memolo (MLBNR)

Monday, Mar. 28 ● Nationals @ Braves - Champion Stadium, Lake Buena Vista, FL 2-6pm ET: Inside Pitch with Jim Bowden and Jim Memolo (MLBNR)

MLB Network Radio is available to listeners nationwide on XM channel 175 and Sirius channel 210 with the "Best of XM." Visit www.siriusxm.com/mlbnetworkradio for programming info.

Mad Dog Radio airs nationwide on Sirius channel 123 and XM channel 144. Visit www.siriusxm.com/maddogradio for programming info.

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