Brian Flynn's Wales Under-21 team have narrowly missed on qualification for the last two final competitions.
Sabres C Brian Flynn made his NHL debut a day after being called up from AHL Rochester.
Brian Flynn scored in regulation for the Sabres, off an assist from Vanek.
The visitors increased the pressure in the second half, but Brian Flynn's men dug in and held the onslaught.
And Rush has joined Brian Flynn, John Hartson, Chris Coleman and Lawrie Sanchez in publicly declaring his interest in the job.
The opinions expressed in this commentary are solely those of Brian Flynn.
"It is reasonable to assume that there will be some significant disruption to European air traffic tomorrow, " Deputy Head Brian Flynn told reporters.
Manager Brian Flynn described the victory as a "monumental effort".
Brian Flynn's team top qualifying group ten and look set to become the first Welsh team to qualify for a major tournament since the 1958 World Cup squad.
Although the victory was not enough to lift Brian Flynn's side off the foot of the table, it does see them close the gap on the teams above them.
The 1-0 defeat in Montenegro last month ended John Toshack's six-year reign as manager and Brian Flynn, who has impressed in charge of Wales Under-21s, was asked to oversee the senior side.
Kevin Nugent and James Thomas had made little impact up front for the Swans in the first period, so it was no surprise when manager Brian Flynn sent on Andy Robinson in Thomas' place.
All 5ft 3ins of Brian Flynn will be bursting with pride at being honoured with the Wales' caretaker managerial role as he is given the opportunity of building international success on the foundations he created.
But Brian Flynn, deputy head of operations for Eurocontrol, told the BBC that while half of the European landmass could be clear of ash cloud, that did not mean half of the flights could go ahead.
Vanek and rookie Brian Flynn staked Buffalo to a 2-0 lead, with Vanek tallying his team-high 13th goal of the season on a second-period power play, and Flynn getting the first of his career midway through the third period.
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