Spirit 23-0published at 89 balls left
Kathryn Bryce is into the attack and an inside edge sends the ball squirting past the leg stump, and the wicketkeeper, for four.
Beaumont is on 13 from six balls.
Higham takes two wickets for Rockets
Knight, dropped on 10, makes 31 for Spirit
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Priest hits four sixes in 42-ball 76
Kal Sajad and Phil Dawkes
Kathryn Bryce is into the attack and an inside edge sends the ball squirting past the leg stump, and the wicketkeeper, for four.
Beaumont is on 13 from six balls.
Chris Green
Middlesex all-rounder on BBC Radio 5 Live Sports Extra
Very good start. Tammy Beaumont plays proper cricket shots. She looks to hit the ball straight and on the ground. She is controlled and measured.
This is a very good start from Spirit, and they still have plenty of quality batting to come.
Chris Green
Middlesex all-rounder on BBC Radio 5 Live Sports Extra
Go on Tammy. That is what we like to see. She has a lot of time at the crease. We spoke about the intent to come down the wicket and meet the ball on the full. She is trying to upset Johnson's length.
Timed! A proper cricket shot from Beaumont, driving along the turf back down the ground.
Having opened the batting, Sammy-Jo Johnson has the ball in hand.
And England's Tammy Beaumont has her first runs in The Hundred as she leans forward and clips her through the leg side for four.
How nice is this from Emily Windsor...
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A solid start for Spirit, Beaumont - making her first appearance in the competition after attending her brother's wedding - is yet to face a ball.
Need 144 from 96 balls
A much more convincing shot, a back-foot crunch through cover and it's four more to Dattani.
Chris Green
Middlesex all-rounder on BBC Radio 5 Live Sports Extra
She saw Rachel Priest playing the power sweep. That was definitely a slog sweep. They need to take advantage of this power play.
Dattani takes a swipe, a top edge sends the ball sailing over the wicketkeeper for four. Brunt is seething.
Signs of swing for Brunt. A dot ball to start.
Chris Green
Middlesex all-rounder on BBC Radio 5 Live Sports Extra
Big ask. But I think they have the quality to do it. What a top six the Spirit have. You would like to see some of them get going, targeting that short boundary.
It will be Dattani on strike. The legend Katherine Brunt to bowl.
Some news coming in from the Northern Superchargers, Rachel Slater has come in as a temporary concussion replacement for Beth Langston.
Slater is a 19-year-old all-rounder and has been assigned squad number 72.
Right, the players are making their way to the middle.
The Spirit chase is on.
Priest was well set to become the Hundred's first hundred but fell short, with Tammy Beaumont taking a smart catch.
Trent Rockets' Rachel Priest on Sky Sports: "I've unfortunately been making a notoriously slow start at these tournaments, but it was really nice to get some runs. It's a really nice wicket.
"Today was just about being a little bit clearer in the mind. I was a bit scrambled in the first couple of games, and today was about see ball and hit ball.
"It is a beautiful ground, and it really runs away once you get it. It just came off for me today.
"We always think we've got enough runs on the board, but this is a really good team, so we're going to have to be on top of our game."