Darwin attended Klein High School, where he played as a tight end.
[4] After experiencing another contract holdout, he replaced an injured Gerry Feehery and started 10 games at center as a rookie.
The next year he re-injured his knee and was placed on the injured reserve list on September 30 after playing and starting in two games.
After his football career, Darwin settled down and became a scoutmaster for Troop 437 in Richardson, Texas until 2018, when he stepped down after his third youngest son became an Eagle Scout, graduated, went to college, and was married.
Matt Darwin currently attends a Reformed Baptist church in Wylie, Texas.