Phoenix Mercury played out an exhilarating win over Chicago Sky in the second game of the WNBA Finals last night.

The Arizona-based franchise secured a 91-86 victory in overtime thanks to standout players Brittney Griner and Diana Taurasi.

The latter scored eight of her 20 overall points in the overtime period to clinch the game for her side after Sky's Courtney Vandersloot forced the tie in the dying seconds of regulation time. Meanwhile Griner tallied a heroic 29 points across the board.

Chicago Sky got off to a strong start, leading the home side 5-0 after just two minutes. Mercury fought back with vigour but Sky still held a six-point lead by the end of the first quarter.

Both teams sprung into life in the second quarter – a back-and-forth of equalling the scoreline eventually saw Mercury take a 40-38 lead after 20 minutes, but Sky pulled it back with a basket in the final seconds.

The visitors then hit an unstoppable streak in the third quarter, retaking the lead by six points before the Arizonans produced a clutch performance in the final quarter to make it 79 a piece.

Brittney Griner Phoenix Mercury

Taurasi was on fire for Mercury after half-time, netting a game-changing 18 points which would take them into a nerve-racking overtime period.

Mercury only need one segment to take the win, scoring 12 points in five minutes.

Despite Chicago Sky being statistically the better side, they're now all square with Mercury in the WNBA Finals. At 1-1, anything could happen as they prepare to face off in the last three matches of the best-of-five series.

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Both matches will be shown live on Sky Sports on Friday, October 15th and Sunday, October 17th. A fifth and final game will take place two days later, should the series standings remain a draw.