NEW YORK, New York -- Cornerback Shareece Wright, who saw himself as a starter on the 49ers defense after signing a free-agent contract in March, instead was released Saturday without ever having played a snap for San Francisco.
Guard Andrew Tiller was promoted from the practice squad to fill Wright's spot on the active roster. Wright, who began his career with the Chargers, had asked to be traded or released after it was clear he was behind first-year players Kenneth Acker and Keith Reaser on the 49ers' depth chart at cornerback.
"Want to thank the 49ers organization for granting my release," Wright wrote on his Twitter account.
The 49ers’ free-agent class has had little impact so far this season. Wright and defensive end Darnell Dockett have been released while offensive additions Torrey Smith and Reggie Bush have had modest results on San Francisco’s struggling offense.
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Wright began the preseason as a starting cornerback opposite Tramaine Brock. But he eventually fell behind Reaser and Acker, the latter of whom has started the 49ers' first four games and who will make his fifth start Sunday against the Giants.
Tiller, meanwhile, spent the offseason with the 49ers and was starting at right guard during spring drills. That job now belongs to Jordan Devey. Tiller, 26, was on the 49ers' practice squad last year before being promoted to the active roster in December.
Of all the 49ers' backup offensive lineman -- a group that included Trent Brown, Ian Silberman and Brandon Thomas -- Tiller is the only one who has any regular-season experience.
He played one snap last year.