The Lancashire opener's second fifty at Bristol holds off the hosts, who remain rooted to the bottom of Division Two
Bristol (day four of four): Gloucestershire 136 & 305, Lancashire 240 & 203-6 - Lancashire won by four wickets
Keaton Jennings led the way with an unbeaten half-century as Lancashire completed a four-wicket County Championship Division Two win over Gloucestershire shortly after lunch on the final day at Bristol.
Starting the day on 75 for 3 in their second innings, requiring a further 127 runs for victory, the visitors finished on 203 for 6.
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Jennings contributed 78 not out, Michael Jones 30 and Arav Shetty 31, as their team made it two wins from their first three Championship fixtures.
Lancashire took 19 points from the game to consolidate leadership of Division Two, while Gloucestershire had to settle for three to be on that number after three games and are firmly rooted to the bottom of the table.