GHRP-2, GHRP-6, CJC 1295 can all help you, and are legal in the US. All will help healing/recovery/connective tissue strength, as well as some performance benefit.
For your purposes you may want to avoid GHRP-6 because of the hunger. CJC-1295 was suggested to me by someone much more knowledgable than myself.
Also CJC-1295 has a longer half life, and can be taken every day, or every other day according to the guy that advised me. Unfortunately I couldn't afford it along with other crap.
As far as I know these are all undetectable and very.
I am currently using GHRP-6 to heal an injury and I can notice a difference in recovery already.
Winny increases the risk of tendon rupture, so I would use anavar instead, which actually strengthens tendons. You are in a high impact sport, so I would think reducing your risk of tearing shit would be good.
Also, you are wanting to use winny for the full 10 weeks. This would be better with anavar as it is less toxic.
Limit winny to 6 weeks normally.
Var will give you good strength gains with little size.
Your PCT should be longer than 2 weeks.
For ten weeks, enanthate would be easier... although prop could be used as well.
Prop (and consequently Sustanon) should be injected at least EOD, with ED shots preferable in order to maintain steady levels.
With enanthate injections 2x a week would be good.
Prop= Testosterone Propionate.
Enanthate= Testosterone Enanthate