TCU left-hander Haylen Green took a no-hitter into the ninth in Sunday's 11-0 win at Lupton Stadium.
TCU starter Jake Eissler held Lamar to one hit and struck out 12 over six innings in Saturday's 4-3 win.
TCU left-hander Nick Lodolo held Lamar to five hits over 7 1/3 scoreless innings in Friday's 2-0 win.
Transfer quarterback Michael Collins said he chose TCU because "it felt like home."
Take a look at old photographs from TCU's days in Waco. The university moved to Waco from Thorp Spring in 1895, before moving back to Fort Worth and establishing its current campus in 1910.