Complex sentence: Going into the 1998 season with Oakland, Hollas had only attempted two passes in the NFL since 1992, however after an injury to starter Jeff George, Hollas saw significant action with the Raiders that season.
Split into simpler sentences: Going into the 1998 season with Oakland, Hollas had only attempted two passes in the NFL since 1992. However, after an injury to starter Jeff George, Hollas saw significant action with the Raiders that season.