The Gloucestershire captain made an unbeaten hundred as the visitors, who were well behind after their first innings but responded to save the game comfortably
Cardiff (fourth day of four): Gloucestershire 165 & 569-7, Glamorgan 404 & 110-3 - match drawn
A Graeme van Buuren hundred led a brilliant Gloucestershire comeback in their LV= Insurance County Championship match against Glamorgan in Cardiff to secure a very creditable draw.
Having trailed by 239 runs on first innings, Gloucestershire made 569 for 7 in their second innings to set Glamorgan 331 to win.
Three early wickets gave Gloucestershire a slim chance of pulling off the unlikeliest of wins, but a solid stand between Billy Root and Eddie Byrom saw the home side to safety at 110 for 3.
The pitch in Cardiff continued to improve for the batters as the match wore on with all the bowlers struggling to slow the scoring or claim wickets. The draw gives Glamorgan 12 points and Gloucestershire eight from this first-round match.
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Cardiff (third day of four): Gloucestershire 165 & 373-5, Glamorgan 404 - Gloucestershire lead by 134 runs with five second-innings wickets remaining
A brilliant 148 from Marcus Harris brought Gloucestershire back into their LV= Insurance County Championship match against Glamorgan in Cardiff as the visitors had a near-perfect day with the bat after a poor showing in their first batting innings.
Starting their second innings 239 runs behind Glamorgan it was vital that Gloucestershire batted well, and the hundred from Harris and fifties from Chris Dent and Miles Hammond gave them hope of getting something out of this game.
Throughout the Gloucestershire innings the Glamorgan bowling attack struggled to find the control that they had shown in the first innings of this game on a pitch that appears to be flattening out as the match progresses.
When bad light brought the day to a close Gloucestershire had reached 373 for 5, 134 runs in front with Graeme van Buuren and Jack Taylor the not-out batters.
Billy Root and Kiran Carlson had hit hundreds for Glamorgan on day two (Ryan Hiscott/Getty Images)
Cardiff (second day of four): Gloucestershire 165, Glamorgan 388-8 - Glamorgan lead by 223 runs with two first-innings wickets remaining
Glamorgan continued to dominate their LV= Insurance County Championship match against Gloucestershire, finishing the day on 388 for 8 to give them a commanding lead of 223.
The innings was built around hundreds from Kiran Carlson and Billy Root as the Glamorgan middle order took the game away from the visitors.
A well-made 81 for Eddie Byrom set the foundation for what came after as Glamorgan's batting line-up made a very decent start to the season on a pitch where you had to fight to get yourself set.
The standout performer for Gloucestershire was Marchant de Lange who claimed figures of 3 for 72 on his return to his old club.
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Cardiff (first day of four): Gloucestershire 165, Glamorgan 4-0 - Glamorgan trail by 161 runs with 10 first-innings wickets remaining
It was Glamorgan who took control on the opening day of their LV=Insurance County Championship match against Gloucestershire in Cardiff, with their bowlers holding sway on a shortened day.
Having won the toss, Glamorgan put Gloucestershire in to bat and bowled them out for 165. Marcus Harris was the standout performer for the visitors, making 59 from 129 balls.
It was left to the late order pair of Zafar Gohar and Tom Price to lead a rescue of sorts, with the pair putting on a vital stand of 46 to take Gloucestershire past 150.
Marcus Harris' century led Gloucestershire's response (Getty Images)
The Glamorgan attack was well led by Timm van der Gugten, who took 5 for 26 to put his side in control of this match.
Glamorgan were left with just one over to face before the close with van der Gugten promoted to open. He successfully carried out his nightwatchman duties as Glamorgan closed the day at 4 for 0.
Play got underway on time but just four balls had been bowled before a heavy burst of rain brought play to a halt. That relatively brief shower led to an early lunch being taken after the hover cover broke down in the middle of the outfield.
After a long delay the offending cover was removed but when they did get back under way after an early lunch there were a further 14 balls before a rain shower took the players off the field once again.
With the hover cover out of action, the groundstaff were left with sheets to cover the pitch which only further hampered clean up efforts.