Gateway designated hitter Richard Seigel collected a franchise-record six hits to help the Grizzlies pound the Joliet Slammers 17-3 on Saturday night at Silver Cross Field in Joliet.
Seigel finished 6-for-6 with two home runs, a double and five runs batted in to break the franchise record and tie the Frontier League record for hits in a single-game.
The 17 runs tied a season-high for Gateway and their 20 hits established a season-high.
The win gave Gateway (27-13) the series win and their sixth straight win, which is a season-high win streak. The win also extended their lead in the West Division to three games.
Gateway led 15-0 after three and a half innings. The Grizzlies scored nine runs in the second inning before scoring three runs in the third and fourth innings.
Madison Beaird started the Grizzlies second inning scoring with a two-run single. Michael Johnson followed with a two-run triple, Kale Kiser drove in a run on a single and Seigel capped off the inning a three-run home run.
TJ Bennett picked up a pinch-hit RBI single and Niko Vasquez drilled a two-run home run to extend the Grizzlies lead to 12-0 in the third inning.
Gateway added three more runs in the fourth inning.
Seigel led off the with his second home run, Bennett picked up another run-scoring single and Vasquez brought in a run on a walk to make the score 15-0.
Grizzlies starting pitcher Dejai Oliver left the game in the fourth inning because of a cut on one of his fingers. He allowed two runs in the inning to make the score 15-2.
Joliet added another run, which was unearned, in the sixth inning against Gateway relief pitcher Tyler Thompson (2-0).
Thompson allowed just one unearned run in 3 2/3 innings to notch the win in relief.
Niko Vasquez hit a ninth-inning solo home run for his second of the night and Seigel drove in a run on his sixth hit of the game to finish off the scoring.
Vasquez finished 3-for-4 with two home runs and four runs batted in. He now has four homers in his last three games.
The Grizzlies will look for their fourth series sweep of the season Sunday afternoon. Left-hander Kerry Kelley (1-0) will make the start for the Grizzlies. First pitch is set for 1:05.