ol ito — he ▁generates ▁exception al ▁velocity ▁on ▁his ▁fast ball , ▁which ▁he ▁can ▁throw ▁consist ently ▁above ▁ 9 5 ▁m ph ▁and ▁flash ▁in ▁the ▁triple ▁digits . ▁L ope z ▁also ▁throws ▁a ▁bit ing ▁curve ball ▁and ▁a ▁change up . ▁He ▁has ▁been ▁mentioned ▁as ▁a ▁possible ▁future ▁rel ie ver , ▁with ▁National s ▁General ▁Manager ▁Mike ▁R iz zo ▁describing ▁him ▁in ▁ 2 0 1 6 ▁as ▁" a ▁gu y ▁that ▁can ▁help ▁in ▁a ▁starting ▁role ▁and ▁in ▁a ▁b ull pen ▁role ". ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : 1 9 9 4 ▁birth s ▁Category : L iving ▁people ▁Category : All - Star ▁Fut ures ▁Game ▁players ▁Category : A ub urn ▁Double days ▁players ▁Category : Char lot te ▁Kn ights ▁players ▁Category : Ch icago ▁White ▁So x ▁players ▁Category : D omin ican ▁Republic ▁exp atri ate ▁baseball ▁players ▁in ▁the ▁United ▁States ▁Category : H ager st own ▁S uns ▁players ▁Category : H arr is burg ▁Sen ators ▁players ▁Category : D omin ican ▁Summer ▁League ▁National s ▁players ▁ ▁Category : M aj or ▁League ▁Baseball ▁pitch ers ▁Category : M aj or ▁League ▁Baseball ▁players ▁from ▁the ▁Domin ican ▁Republic ▁Category : P ot om ac ▁National s ▁players ▁Category : S y rac use ▁Chief s ▁players ▁Category : W ashington ▁National s ▁players <0x0A> </s> ▁Jon as ▁M ef fert ▁( born ▁ 4 ▁September ▁ 1