Roberts and Price playing wingback back roles to cover the defense.
The exception from the Brizzle game will be Howard who misses the game due to suspension. O'Leary is expected to fit into the role as a third central defender.
Oldham were working flat out to improve drainage problems at Boundary Park in a desperate bid to save Saturday's 2nd Div clash with Swansea. The north-west club have called in a verti-drain machine after last week's home game with Luton was postponed at the last minute because of a late downpour.
The machine will bore 160,000 holes - one inch wide and 12 inches deep - into the pitch and filled with sand to help the drainage. The north-west forecast for today and tomorrow is far from promising, before improving on Saturday.
"The pitch is going to be heavy, if it gets the go-ahead that is," explained Swansea assistant manager Alan Curtis.
"It means it is going to be another battle. "But everyone is buoyed by the result and, more importantly, the performance against Bristol City on Tuesday. "Now we've got to strive for consistency because we are still in the wrong half of the table.
We feel we've got enough in the camp to do that, but we've got to produce Tuesday's performance week in week out." Swansea's preparations for Saturday's trip have also been disrupted by the weather.
"It has been difficult trying to find somewhere to train," added Curtis. "We've been using the new astro-turf in Townhill, but we would prefer to train on softer ground.
"We haven't even been able to use the beach because we'll probably be blown out to sea."
All time League & Cup results between Oldham Athletic and Swansea City
| Swansea City wins | draws | Oldham Athletic wins | | League | 14 | 14 | 10 | | FA Cup | 0 | 0 | 1 | | League Cup | 1 | 0 | 1 | | Total | 15 | 14 | 12 |
Oldham boss Andy Ritchie has only one player missing through injury for the clash with Swansea.
Midfield playmaker John Sheridan is still recovering from a knee operation and although the 36-year-old is making good progress, he is not ready for a return just yet and he wasn't helped by the postponement of a reserve team fixture in midweek due to the bad weather.
Oldham have shown a recent improvement in form having won three of their last four games and Ritchie will be hoping that can continue. Their defence has looked increasingly solid of late with the Latics conceding only two goals in their last four games.
Player to watch: Carlo Corazzin
A talented ball-player with a decent work-rate, Canadian international Carlo was first spotted by Cambridge United, moving to England from the Vancouver 86ers for £20,000 in December 1993. In three seasons in East Anglia he scored 43 goals, earning a £150,000 move to the south coast with Plymouth Argyle, and in July 1998 he signed for Northampton on a Bosman free transfer, despite interest from Watford. His consistent goal-scoring record quickly endeared him to fans, despite his appearances being limited by international matches.
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