Answer: probably not, unless you believe what Double-A Harrisburg manager Tony Beasley is selling. Here's what he told Gregg Doyel of CBS Sports:
↵↵↵"One of these days," Beasley said, "it wouldn't surprise me if he hits 50 home runs and steals 50 bases."
↵[...]
↵"Absolutely," Beasley said. "Something like that. It wouldn't surprise me if he gets up there and just puts up gigantic numbers, numbers that make you go, 'Wow, how did he do that?'"
↵
Yeah, so nobody's ever done that in MLB history. Thanks for getting our hopes up, though!