I can't see there being a fully fledged championship maybe just 1 game like a mini game or something.

Since one of the rank's for the melee weapons perk make a refrence to homerun, I suspect it's achievements related to perks.

I feel like homerun may refer to knocking someone's head off with a melee weapon, but that's my best guess.

it would be nice, if there was a kind of mini game, like the cards game from NV.

A bit relaxtation from the wastes

Can be... It would be a bit disappointing

Homerun is likely part of the melee ranks and touchdown probably has something to do with grenades

exactly

What if two of the many mini games mentioned at E3 for the pip-boy are baseball and American football?

Or unarmed, consider touchdown (as I grasp it) involves the player actually standing in the goal area and slamming the ball to the ground.

That would spiking the ball after a touchdown. Once the ball crosses the goal line it's a touchdown but they don't have to slam the ball.

Actually in some of the footage there were at least one board game you can play. I could see an old tecmo style pip-boy game being available, but based off the Big League perk video the achievement will be for knocking the ever loving crap outta some guys head.

Homerun most certainly has to do with knocking somebody's head off.. but maybe you have to do it in the stadium at home plate and actually hit it into the bleachers

My best guess is that Homerun! involves knocking a certain number of enemies' heads off with the Big Leaguer perk, and Touchdown has something to do with charging into enemies and knocking them down with the Juggernaut perk.

Nah, they're obviously achievements for "romancing" an npc.

My thoughts exactly