Complex sentence: Criqui retired from full-time duties for the NFL in 2012, however, on December 8,2013, he filled in for Bill Macatee as he was having traveling issues in a snow storm in Dallas.
Split into simpler sentences: Criqui retired from full-time duties for the NFL in 2012. However, on December 8,2013, he filled in for Bill Macatee as he was having traveling issues in a snow storm in Dallas.