Head coach Bruce Arians said Thomas still needs to get his footwork proper when he drops back.
"When he knows what he is doing, and the guys around him know what he is doing, he's pretty good," Arians said.
With an outstanding summer of work, Thomas could end up backing up Carson Palmer this season.
With the 120th pick in the 2014 NFL Draft, the
Thomas, the sixth quarterback taken in the draft, looked sharp at the Senior Bowl, which helped his draft stock. Standing at 6-foot-6, 248 pounds, Thomas passed for 2,907 yards with 16 touchdowns and 13 interceptions in 2013. He also rushed for 344 yards with four touchdowns.
Thomas will likely compete with
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