Here's a list of some oils that work well for sports injuries:

Black pepper (Piper nigrum)--relieves muscle aches, pain, tired muscles, aching limbs, muscle stiffness.
Cajeput (Melaleuca cajuputi)--for all painful conditions, relieves pain
Cinnamon (Cinnamomum zeylanicum)-warm the area, relieves aches.
Clove (Eugenia caryophyllata)--works well for sprains.
Ginger (Zingiber officinale)--muscular pain, great for compresses.
Marjoram (Origanum majorana)--warming, useful for muscular spasm, pain, sprains and strains.
Nutmeg (Myristica fragrans)--warming, muscular aches and pains.
Rosemary (Rosmarinus officinalis)--tired, stiff, overworked muscles.
Thyme (Thymus vulgaris)--helps contracted or cramping muscles.