The No. 15 West Virginia Mountaineers (32-12) handled the Marshall Thundering Herd (21-27) Tuesday night 7-2 to complete the series season sweep. West Virginia starting pitcher David Hagan earned his fourth win of the season after allowing one run on three hits and notched a strikeout in five innings. West Virginia sophomore Gavin Kelly put the game's first run on the board with a 389-foot sky rising solo home run in the bottom of the first inning. Senior Paul Schoenfeld followed with a single, and senior Sean Smith battled back from an 0-2 count to draw a walk, putting too aboard before senior Mathew Graveline hit the hole on the left side for an RBI single and a 2-0 WVU advantage. The Mountaineers continued their prowess in the second. With two outs on the board, sophomore Matt Ineich lifted his first pitch of the frame for a solo home run, his fourth of the season, ending the evening of Marshall freshman starting pitcher Landen Doll.…