Original: In previous seasons, Warner had split time with the team's younger quarterback Matt Leinart, although Warner started the final 11 games of the 2007 season after Leinart suffered a season-ending injury.
Simplified: In Whisenhunt's first season, Warner had split time with the team's younger quarterback Matt Leinart, although Warner started the final 11 games of the 2007 season after Leinart suffered a season-ending injury.