Are you doing the 4 days a week Football conditioning you mentioned in May? 
Im not going to sugar coat it for you… dont care if your only 15 I didnt baby my sons at your age either.
Your strength level is part of your problem
Soo I guess your not involved in High School Football now? Since being ripped has nothing to do with being able to play the game or getting a starting position
Your 5,9 and 148 lbs… id suggest getting the whole notion of being RIPPED out of your head at the moment and just focus on adding LEAN body weight to your frame without becoming a fat walrus.