The 23-year-old Ireland out-half
(left) suffered an ankle injury in Saturday's opening World Cup warm-up win over Italy.
Ospreys were overwhelmed by a rampant Connacht, who were led brilliantly by Kyle Godwin, who was playing his first game at out-half
for the province.
Dan Jones also had a major say in the victory by kicking 13 points from three penalties and a two conversions.
Dan Biggar is the best out-half
in Wales and yet is ignored, and so is Justin Tipuric.
Ross White and Will Bown shone in a hard working Chester eight and Hayes provided a solid contribution at out-half
It was then down to Abu Dhabi out-half
Murray Strang to open the scoring as he sent a well-struck penalty goal through the posts.
Neil Doak, who ultimately contributed 24 of the home side's points, had the host's back on level terms with a penalty, try and conversion in the space of three minutes.
JOEY Carbery's excellent start with Munster has earned him a two-year contract extension The exciting young out-half
(23) joined on a two year deal last summer in a surprise move from Leinster and will now remain with the Reds until June 2022.
Earls intercepted a pass from Leinster replacement out-half
Ciaran Frawley just as the champions were piling on the pressure as Munster clung to a nine point lead.
The replacement out-half
coolly slotted a 69th-minute penalty and the hosts held on for victory.
Despite having lost to their rivals in the league encounter three weeks ago, Bahrain began with confidence and could have been six points ahead if it wasn't for two missed penalties at goal from out-half
Champions Constitution had Roan O'Gara in the pivotal out-half
position yesterday but, a week in advance of Munster's Heineken European Cup semi-final with Toulouse, he could do nothing right.