Abingdon Vale pulled off a one-wicket win over Tiddington in the tightest possible finish to return to the top of Division 2.
Vale, who tied with Bledlow Ridge earlier in the season, were almost involved in another as they chased down the visitors' 190 all out.
Paul White took 4-55 for the hosts and then watched Mike Cook (85) and Tom Pollard (38) take them to the brink of victory.
Sam Hollingshead's 5-59 proved to be in vain as Abingdon squeezed out the vital runs to reach 191-9.
Abingdon Vale 30pts, Tiddington 17.
Richard Beer's gentle away-swingers again produced impressive results for Oxford 2nd as he took 7-61 to help dismiss the morning leaders Bledlow Ridge for 152.
Only Russ Turner, who hit 60 from 124 balls, made much progress for Ridge.
Oxford's batsmen found the going easier, with John Barrett (57) and Patrick Stern (55) adding 116 for the third wicket as they reached 153-3 in the 32nd over.
The result saw Oxford leapfrog Ridge in the table.
Oxford 2nd 30, Bledlow Ridge 9.
Horspath maintained their excellent run at home to Challow & Childrey to put themselves into what is likely to be the second promotion place.
Robbie Eason hit 75 and Mohsin Rana an unbeaten 50 as the hosts reached 205-7 from their 50 overs.
Challow were never really in the hunt despite Steve Burry's 40 and were finally all out for 161.
Horspath 30, Challow & Childrey 14.
Morris Motors Exiles finally had something to celebrate as they beat Bourton Valeto secure their first win this term.
Sid Khan top-scored with 71 while Latif Mohammed made 44 in the Exiles' 223 all out, in which Nawaz Muccadam took 5-48 and Nick Anderson 4-65.
Bourton lost two points for their slow over rate.
Nitin Sehgal, who has starred with the bat so far this season, then took 6-31 as Vale were all out for 152.
Bourton Vale 14, Morris Motors Exiles 30.
Kingston Bagpuize are therefore the only side without a win in the division even though Martin Shepherd hit 138 as they amassed 242-9 at Leighton Buzzard Town.
Shepherd received valuable support from all-rounder Richard Oakey (50), while Tom Gibbs, Dan Scott and Lee Selfe each took three wickets.
Kingston's lack of bowling was then exposed by Tom Scott (111no) and Phil Whatmore (47) as Town reached 246-3 with 11 balls in hand.
Leighton Buzzard Town 30, Kingston Bagpuize 13.
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