5'10" 150lb? He better start living in Red Bulls weight room.
Dinner Mints
At 18 that's appropriate size, I hope you don't want him to be fat, overweight and unfit like so many of the Pro League players currently in the national setup that are exhausted in the 70th minute. Let me help you by showing you the height and weight stats of arguably the 10 best LWB in the world:
Age Height Weight
Luke Shaw 22 6'1" 165
Patrice Evra 36 5'8" 159
Nancho Monreal 31 5'10" 159
Raphael Guerreiro 23 5'7" 148
Aleksandar Kolarov 31 6'2" 183
Cesar Azpilicueta 27 5'10 154
Marcelo Viera 29 5'9" 165
Danny Rose 27 5'9" 168
Jordi Alba 28 5'7" 150
David Alaba 25 5'11" 165
Average Height 5.67
Average Weight 162
Average pounds/inch 2.376
Next time use some data to back up your statements. I am sure by 22 Powder will add 10 pounds of muscle.
Though they play very different positions with different physical demands, Neymar is 5"9" and 150 pounds.