Essex Head Coach Paul Grayson said he was delighted Mahmood had joined the club.
"I like cricketers who feel they have point to prove to people and he has lots of ability, he's experienced and he's a fit guy who can bowl with good pace as well so we feel Saj will be a real addition to the squad."
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A group of kind-hearted mums from Northamptonshire have launched a campaign to try and help older people living alone in their community.
Winds will strengthen this weekend with outbreaks of rain at times later Saturday and into Sunday
Winds will become strong this weekend and we can expect to see some showery rain at times