SANTA CLARA, Calif. (AP) The San Francisco 49ers have signed offensive lineman Ben Gottschalk to a two-year contract while also adding kicker Corey Acosta and wide receiver Mario Hull on three-year deals.

San Francisco waived wideout Darius Davis and tackle Chris Martin on Monday, four days after wrapping up a mandatory minicamp at Levi’s Stadium.

Gottschalk, an undrafted freeicon1 49ers Sign OL Ben Gottschalk And 2 More, Waive 2 Others agent last year, spent time on the Chiefs practice squad in 2014 then joined Tampa Bay on April 8 before being waived May 28.

Acosta is an undrafted free agenticon1 49ers Sign OL Ben Gottschalk And 2 More, Waive 2 Others out of Southern Mississippi, where he kicked 43 field goals and had 201 points.

Hull is another undrafted free agent who played three seasons for Rice. He had 61 catches for 901 yards and eight touchdowns. He set career highs in receptions (32), yards receiving (621) and touchdowns (eight) last season.

AP NFL websiteicon1 49ers Sign OL Ben Gottschalk And 2 More, Waive 2 Others: http://www.pro32.ap.org and http://www.twitter.com/AP-NFL

Updated June 15, 2015

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