That night, new Mariners pitcher Cliff Lee will make his first start of the season against the Rangers, and the first 20,000 fans will receive a Felix Hernandez bobblehead, courtesy of FSN Northwest.
Safeco Field gates will also open a half-hour early for giveaways on May 7 (Ken Griffey Jr. "The Slide" bobblehead), June 18 (Ichiro Suzuki and Griffey "Cooperstown Bound" bobblehead) and Aug. 27 (Ichiro bobblehead).
Friday's game against the Rangers starts at 7:10 p.m. and marks the start of a nine-game homestand.
Alden Gonzalez is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.