Yep, big heads, ripped muscles, imperceptible testicles ... those look like steroid users to us.

And hey, all you Pirates fans who have been frustrated that Barry Bonds waited until after he left your team to take steroids — and become pretty much the greatest hitter of all time — can take heed: In these cards, Barry's all roided up in the Pittsburgh uniform. So you have that.

Topps Pretty Much Predicted The Steroid Era In 1992 [FanIQ]

That said, we did find this collection of baseball players from the '70s incredibly enjoyable, not just for Mike Schmidt's inexplicable perm, but also our man Ozzie Smith, from back in his Padres days, looking like his Afro is going to run screaming away from his head if it is not somehow contained.

Our favorite picture, though, might be of Don Zimmer. In the '70s, he looked, of course, exactly like he does now. He looked that way from birth, you know.

That '70s Show [Touching All The Bases]