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SAN FRANCISCO -- On Instagram, Drew Gilbert is known as @chillygoobear . But in the Giants’ dugout, the rookie outfielder is anything but.

Gilbert has made his social media handle feel like a misnomer by bringing a fiery, goofball presence to the Giants, who can’t get enough of the 24-year-old’s unique jolt of energy .

He’s got a running gag -- literally -- with Matt Chapman. He’s mauled the sleeve of Robbie Ray’s hoodie like a mischievous puppy. He went bananas on the dugout railing after watching Wilmer Flores go deep at Petco Park.

He’s suddenly become the most entertaining player on a club that has im

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