Charlie Sheen approves of Rangers pitcher Derek Holland's “Major

Derek Holland Channels 'Wild Thing' With New Haircut

Charlie Sheen approves of Derek's Holland 'Wild Thing' hairdo

10 things you might not know about Derek Holland, including that time he got kicked out of a Counting Crows concert

Derek Holland Channels 'Wild Thing' With New Haircut

Charlie Sheen sees Rangers' Derek Holland do 'Wild Thing' against Angels

Derek Holland's 'Wild Thing' haircut gets Charlie Sheen's approval

10 things you might not know about Derek Holland, including that time he got kicked out of a Counting Crows concert

Charlie Sheen takes photos with Holland

Rocking 'Wild Thing' haircut, Derek Holland throws first shutout since '13

Holland on the inception of his 'Wild Thing' haircut, why he feels Rangers pitchers can 'match up with anybody

PHOTO: Charlie Sheen ecstatic about Derek Holland's 'Wild Thing' haircut