get yourself some protein shakes and start eating a lot. try for 4-5 meals a day and really up the calories. if you working hard in the weight room and the court everyday you will be eating up tons of calories. lean beef, chicken, and tuna are all good food to be eating that are high in protein.
3x Tecnifibre T-Fight 320 w/ Cyberflash mains-OG Micro crosses @ 55 and Yonex Supergrap.