Are Tim Anderson, Matt Chapman, Joe Panik and Dansby Swanson for real?

Things are looking up for Dansby Swanson early in 2018. Can he keep up his hot start deep into the season? Isaiah J. Downing-USA TODAY Sports

It's barely two weeks into the season and we are still within the period of insufficient sample sizes. Most batters have fewer than 40 plate appearances. Starting pitchers have appeared maybe three times. And yet, fantasy managers have been scouring the free-agent pool for replacements, upgrades and speculations.

He who hesitates is lost, after all.

But some early performances are clearly outliers, some are clearly for real and some, well, who knows?