Wicketkeeper Ben Scott has retired after being released by Worcestershire.
Middlesex batsman Eoin Morgan hit 120 off 80 balls but Worcestershire scored 23 off the final over to claim a share of the spoils at Uxbridge.
Moeen Ali finished with 12 wickets in the match as Worcestershire bowled out Lancashire for 63 to win by 205 runs with a day to spare at Old Trafford.
Worcestershire have re-signed Middlesex wicketkeeper Ben Scott on a one-month loan contract.
Middlesex wicketkeeper Ben Scott has been called-up to the England Lions squad, while Matt Prior will miss the fourth Test.
Afternoon showers helped wreck Middlesex hopes of a third successive win against Northants at Uxbridge.
Gloucestershire were bowled out for 191 in their second innings to slump to defeat by an innings and 89 runs against Middlesex.
SA A v Eng Lions OD
England's lack of aggression and power with the bat is a concern heading into the World Cup, says David Lloyd.
Australia and New Zealand will co-host the 2015 Cricket World Cup from February - here's a taster of what's in store.
Michael Clarke must skipper Australia in the World Cup if they are to stand a chance of winning the trophy, says Shane Warne.
Sky Sports' cricket experts have picked their favourite hundreds from previous World Cups. Do you agree with their choices?
England's World Cup opponents will not relish the return of fit-again James Anderson, says Nick Knight.