In what is set to be an 80,000 sell-out, Turner-Hall returns from injury to replace Tom Casson in the one change to the back-line which toppled mighty Toulouse in the Heineken Cup last week, one of the greatest of all Harlequins' victories.
Up front Joe Marler and Chris Brooker return to the front row in place of Mark Lambert and Joe Gray, and Will Skinner, suspended following his red card in France, is replaced by Maurie Fa'asavalu.
Saracens give Ireland veteran Peter Stringer his first start since joining from Munster with Ben Spencer dropping to the bench, the only change to their back-line from last week's win over the Ospreys.
But Mark McCall is forced into changes in his pack, with Jacques Burger ruled out for eight weeks after undergoing knee surgery this week.
Andy Saull comes in to replace him, and in the second row George Kruis starts in place of Mouritz Botha. In the front row Carlos Nieto comes in with Matt Stevens dropping to the bench.
Harlequins: Brown, Stegmann, Hopper, Turner-Hall, Monye, Evans, Care, Marler, Brooker, Johnston, Vallejos, Robson, Fa'asavalu, Robshaw, Easter
Replacements: Gray, Lambert, Fairbrother, Matthews, Wallace, Bolt, Clegg, Williams
Saracens: Goode, Strettle, Farrell, Barritt, Short, Hodgson, Stringer, Gill, Brits, Nieto, Borthwick, Kruis, Brown, Saull, Joubert
Replacements: George, Smit, Stevens, M Botha, Wray, Spencer, Powell, Wyle
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The entire All Blacks apparel line has been updated for 2013/14. Check out the New Zealand All Blacks polo.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Gilbert Blitz 8S rugby cleat is a great cleat at a great price of $69.99. Get a new pair of cleats today.
A cool looking all black rugby cleat with the high performance adidas is known for. Get in the Gear!
Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
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The All Blacks Performance t-shirt is black with hints of blue from the training jersey. Very Cool.
The New Zealand All Blacks training jersey for 2013/14. Get in the Gear!
The USA Rugby Pro Alternate rugby jersey is perfect for any fan of the Eagles. Get yours to wear during the summer Test matches.
The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.