Career
He played primarily at hooker. Mescia played junior football with Batlow. He gained attention playing for Riverina against Newcastle in 1990 before joining the Magpies in 1991.
He made his first grade debut for the club in round 7 of 1994, but it was his sole appearance for that year.
Making his second appearance in round 4 of 1995, Mescia played lock behind hooker Jim Serdaris. Mescia remained at hooker for most of the rest of the season, barring a two-game stint at halfback near the end of the year.
The Magpies made the semi-finals in 1996, with Mescia playing in the first 18 rounds before being injured. Roy Masters considered him a possible future Kangaroo.
In 1997, after "being troubled by headaches for most of the season", he was dropped to reserves mid-year, but still played in 17 games.
He was ranked second for most tackles for the regular season. Mescia played for Country Origin for three straight seasons from 1995. Mescia became High Performance Manager for his former club the Wests Tigers from 2003 to 2009.
In 2010, he joined the high-performance unit at the Sydney Roosters.
He later became the strength and conditioning coach at the Parramatta Eels. In 2015, he filled the same position at the Saint George-Illawarra Dragons.
Mescia has also been Head Trainer for the National Italian Rugby League Team during various tournaments and fixtures.
