Roughnecks take advantage of Vipers' mistakes in victory

The Houston Roughnecks returned two fumbles for touchdowns, and Brycen Alleyne later scored on a 14-yard run in the fourth quarter to post a 28-21 victory over the visiting Vegas Vipers on Saturday.

The Roughnecks (6-3) trailed 12-0 before Tavante Beckett returned a fumble 30 yards for a score with 3:49 left in the second quarter.

Houston's lead was 19-12 after the only scores of the third quarter -- Ajene Harris' 13-ya