Midfielder Martin has missed Town's last two games - a 4-0 win over Middlesbrough and a disappointing 1-0 defeat at Blackburn - due to a hamstring injury and will be monitored in the build-up to the clash against the Seasiders.
As will goalkeeper Loach, who sat out at Ewood Park having sprained his thumb in training last week.
Loan stopper Stephen Henderson duly made his return between the sticks but he was helpless to prevent Jordan Rhodes' second-half winner.
The likes of Andy Drury, Michael Chopra, Anthony Wordsworth and Frank Nouble are pushing to start after Town recorded just one shot on target against Blackburn.
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