Does David Ortiz' start make you Wonder about His Knees strength, or maybe him cycling off Steroids?

I Just Think It's The Knee, But One Of My Brothers was saying that The Same Thing Happened To Jeff Bagwell, Pudge Rodriguez, Magglio Ordonez, and Raphael Palmiero (who apparently went back n after his power vanished and got caught). They all Lost their Power and Batspeed for like a season till they adjusted to Not Having the steroids in their bodies, And Also Got Injured alot that first year, but then Came back strong the Next year once their bodies adjusted. so, what do you think?