Complex sentence: The Giants rallied somewhat the following season to finish 8--6, behind veteran journeyman quarterback Norm Snead (acquired in the trade for Tarkenton), who led the league in completion percentage and had his best season.
Split into simpler sentences: The Giants rallied somewhat the following season to finish 8--6. Journeyman quarterback Norm Snead (acquired in the trade for Tarkenton) led the league in completion percentage and had his best season.