The only ballplayer to appear in the movies as a Seattle Mariner.
Fortunately, a good ballplayer could pull this stuff off:
"Johnstone pulled off a number of infamous pranks during his playing days, including placing a soggy brownie inside Steve Garvey's first base mitt, setting teammates' cleats on fire (known as "hot-footing"), cutting out the crotch area of Rick Sutcliffe's underwear, locking Dodger manager Tommy Lasorda in his office during spring training, once dressing up along with Jerry Reuss as groundskeepers to drag the Dodger Stadium infield in the fifth inning and then hitting a pinch-hit home run when Lasorda tried to show him up while imposing a fine to both players for being out of uniform, nailing teammates' cleats to the floor, and replacing the celebrity photos in manager Lasorda's office with pictures of himself, Reuss, and Don Stanhouse. Once, during pre-game warm ups, he climbed atop the Dodger dugout and, in full game uniform, walked through the field boxes at Dodger Stadium to the concession stand and got a hot dog. Another time he bolted from a taxicab on the gridlocked Golden State Freeway during a pregame traffic jam and began running in uniform toward the Stadium Way exit. He also once dressed up in Lasorda's uniform (with padding underneath) and ran out to the mound to talk to the pitcher while carrying Lasorda's book and a can of Slim Fast.
As a baseball announcer, he once covered a microphone with a scent of stale eggs then proceeded to interview Dave "Smoke" Stewart, Mickey Hatcher, and other players. While faking a pause for commercials during a TV interview with Yankee players Deion Sanders and Mel Hall, Johnstone tricked them into uncovering a restaurant bread basket containing a snake..."