Calf strain?

[KnottedYet]

Calf muscles don't spontaneously turn into hard knots for no reason.

Treating the knots is nice, but you might want to go after what caused the knots in the first place. It might be worth it to wander in to a PT's office and ask them to figure out what is off with the mobility of the foot on that leg, that it is causing your calf to go nuts. (usually its a dorsiflexion loss)

Some folks have bigger calves on their long legs, because they vault on that leg when they walk. But that's a life-long compensation, and not usually symptomatic.

(of course, you had no problem until the LMP mentioned you were assymmetrical -which everyone is- and got you stretching and eccentric loading the heck out of it... which would make anyone sore)