Eli Manning completed 1-of-4 passes for zero yards in the Giants' preseason finale Thursday night.
Eli Manning completed 12-of-21 passes for 139 yards and a touchdown in Friday's preseason game against the Jets, also fumbling twice.
Coach Tom Coughlin expressed concern Sunday that the Giants' offense could remain a work in progress into September.
Eli Manning completed just 1-of-7 passes for six yards in the Giants' third preseason game against the Colts on Saturday.
Through two preseason games, Eli Manning has yet to attempt a pass traveling 10-plus yards in the air.
Eli Manning completed 6-of-7 passes for 43 yards in the Hall of Fame game against the Bills.
The Giants want Eli Manning to complete 70 percent of his passes this season.
The Giants' offense "wants to go fast" this season.
NFL.com's Ian Rapoport reports there's "so much emphasis" on getting Eli Manning to get rid of the ball quicker this season.
Eli Manning had the highest average pass distance among NFL quarterbacks in 2013, at 9.49 yards from the line of scrimmage.
Co-owner John Mara told the New York Post the Giants have had no contract extension talks with Eli Manning.
Eli Manning said he's "reenergized" in new OC Ben McAdoo's offense.
The Giants are installing a "quick-hitting passing attack that is predicated on timing" under new OC Ben McAdoo.
Eli Manning (ankle) said he's 100 percent and could play in a game if he needed to.