A walk-off single from Marshall Gei brought home the winning run for the Brockton Rox (34-22) in a 4-3 victory over the Wachusett Dirt Dawgs in 11 innings at Campanelli Stadium on Sunday.

Gei racked up three RBIs on two hits for the Brockton Rox. He doubled in the second inning and singled in the eleventh inning.

Conor Russell got the win, running his season record to 2-2. He struck out one, walked none and surrendered one hit.

Matthew Cronin (0-3) took the loss for the Wachusett Dirt Dawgs (22-30). He lasted just 3 1/3 innings, walked one, struck out four, and allowed one run.