Trey Mancini is a Baseball-Player, currently playing for . Trey Mancini was born in in . There are currently 3365 Cards of Trey Mancini in our Database including 131 rookie Cards and 3044 variations Cards. The most valuable Card of Trey Mancini is currently 2017 Topps Chrome Rookie Autographs Refractor #RA-TM Trey Mancini /499 PSA 10 by Topps Chrome from 2017 with a worth of approx. $119.99.