Jack Haynes delivered a brilliant, backs-against-the-wall century to rescue Nottinghamshire on a challenging first day against Glamorgan at Trent Bridge. The defending champions, reeling at 103-6, were revived by Haynes' composed 100 and a crucial 111-run partnership with Australian seamer Fergus O'Neill, who contributed a valuable 59.

The day began disastrously for Notts, with captain Haseeb Hameed bowled by the very first ball from Timm van der Gugten. The early collapse continued, claiming England opener Ben Duckett for just 25 on his return to county cricket. With the pitch offering significant assistance to the bowlers, Glamorgan's van der Gugten and Ryan Hadley capitalized, each finishing with four wickets to bowl Notts out for 279.

Haynes' innings was the definitive counter-punch. Facing a precarious situation, he displayed immense grit and technique, striking 12 fours to guide his side to a competitive total. His partnership with O'Neill, who is primarily known for his bowling, turned the tide and showcased the depth of the Nottinghamshire lineup.

The champions' bowlers then struck back before the close. O'Neill, fresh from his batting heroics, claimed two early wickets, while England's Josh Tongue picked up his first scalp of the season. Glamorgan closed a dramatic day on 81-4, having lost captain Kiran Carlson late on, setting up a finely poised second day in this County Championship Division One clash.