The phrase "a squad of only" is correct and usable in written English.
It can be used to emphasize the limited number of members in a squad, often in a context where the size of the squad is relevant to the discussion.
Example: "In the final match, they were facing a squad of only three players, making the challenge seem less daunting."
Alternatives: "a squad consisting of just" or "a squad with merely".
With a squad of only 13 senior players!
Stockport were stripped to a squad of only three at the end of last season.
"Sam has been handed a near impossible task of coming through three crucial games in six days with a squad of only 14 fit and available senior players," wrote the co-chairmen.
The Spanish La Liga season kicks off this weekend with Barcelona, the defending champion, relying so far on a squad of only 19 players -- the smallest among leading European clubs.
But many key players are out injured and Sam has been handed a near impossible task of coming through three crucial games in the space of six days with a squad of only 14 fit and available senior players.
Manager Stuart Pearce now has a squad of only 22 players to choose from.
Blackpool, who spent much of pre-season with a squad of just eight contracted players, could only name four substitutes for their Championship opener against Nottingham Forest.
In Iran, those demonstrating against unfair laws were beaten by a squad of women-only police, and female patrols have arrested young women for clothing violations.
This was Liverpool's second league championship in the space of three years and the fact that they achieved it with a playing squad of only 14 players makes it all the more noteworthy.
The evidence is impressive as Queens, far from the biggest spenders in the league and utilising a first-team squad of only 19, finished fourth in this season's First Division.
That was clearly reflected Tuesday; Menezes summoned a squad of 22 that included only four players who had traveled to South Africa.
