A transformation from Test wicketkeeper to middle-order batsman may open doors for the 32-year-old.
Trescothick scored over 29,000 runs for Somerset in 27 seasons.
Somerset "disappointed" but won't launch appeal.
Turns out you can't take the man out of Somerset or the Somerset out of the man.
Somerset will start next season on -12 points.
England spinner Jack Leach has signed a contract extension with Somerset.
Somerset host Essex at Taunton in the head-to-head County Championship Division One title decider. Follow all the action LIVE with C365.
Fancy one more dramatic plot line to end this incredible summer of cricket? County Championship comes down to a head-to-head title decider
Kyle Abbott claimed Hampshire's best-ever bowling figures as Somerset's hopes of winning County Championship title take hefty blow.
Marcus Trescothick has signed a one-year contract extension to play for Somerset next season, the English county announced on Tuesday.