Rickie Fowler: Zac Efron's pro golfer doppelganger?

rickie-fowler-getty.jpg Tiger Woods was on the golf course at Ohio's Muirfield Memorial over the holiday weekend -- but Sunday's Internet buzz seems to be all about the Zac Efron look-alike in the bright orange outfit.

Who is he? He is golf's 21-year-old rising star Rickie Fowler -- and he's got some talent behind those Hollywood looks.