O'Connor has been offered a two-year contract while Trotter could stay on for another year.
Birkenhead-born Raven joined the Cumbrians from Liverpool in July 2006 on a two-year contract.
Matheny, in the second year of a two-year contract, is now guaranteed through next year.
The 43-year-old, who was sacked as Coventry boss in February, has signed a two-year contract.
Customers who purchase a monthly recurring plan with a two-year contract also receive discounted device pricing.
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Worcester dropped out of the Guinness Premiership with Grove only halfway through a two-year contract.
MacDonald, Scotland's under-21 player of the year last season, has signed a two-year contract.
Edwards, 41, has signed a two-year contract and will join up with Wales during tournaments and tours.
That reassurance could be enough to help swing the decision on customers looking at a two-year contract.
Before the introduction of this offer, the iPhone5 had been available at Walmart with a two-year contract only.
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Madine, 19, has signed a two-year contract extension which keeps him at the club until the summer of 2013.
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In the U.S. consumers buy whichever phones the guy at the network store gives away for a two-year contract.
The Spaniard, 50, has signed a two-year contract to take charge at the reigning European and Serie A champions.
The 29-year-old winger put pen to paper on a two-year contract on Saturday.
Only 20% of respondents agreed that a two-year contract was fine with them.
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Mashaba has signed a two-year contract with Leopards, who are based at Thohoyandou in the extreme north of the country.
Meanwhile, Worcestershire have also confirmed that 17-year-old Alexei Kervezee has signed a two-year contract for the 2009 and 2010 seasons.
The 26-year-old former Borders player, who also had a spell in Rugby League with Huddersfield Giants, has agreed a two-year contract.
Inverarity, who has been the headmaster of Hale School in Perth since 1989, has agreed a two-year contract with the club.
The 31-year-old, who is out of contract with the French club in the summer, has agreed a two-year contract at Ibrox.
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The latest newcomer was undrafted rookie free-agent defenseman Chad Ruhwedel, who was signed to a two-year contract earlier in the day.
The 21-year-old former Wycombe winger, who ended the season at Northampton, has signed a two-year contract with a further two-year option.
Should the arbitrator not procure an agreement in 30 days, he or she would then impose a two-year contract on the company.
After cutting starter Ryan Fitzpatrick last month, the Bills did sign six-year veteran Kevin Kolb to a two-year contract earlier this month.
Bridgestone signed a two-year contract with NBC before the economic downturn began.
Scotland striker Kevin Kyle on Thursday followed Jefferies to Hearts, signing a two-year contract after rejecting a new contract at Rugby Park.
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Smith, who has spent the season on loan at The Willows, is now due to join the Reds on a two-year contract.
The 27-year-old, who played in a 1-1 draw with Drogheda United in Sunday's friendly, has signed a two-year contract at New Douglas Park.
Despite that, Yorkshire agreed a two-year contract with him after Sussex confirmed fellow Pakistani Mushtaq Ahmed would be their sole overseas player for 2008.
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